A kayaker spends 2 hours paddling up a stream from point A to point B,
quickly turns the kayak around, and immediately heads back downstream. It takes
her only 1 hour to float back down the stream from point B to point A. If points
A and B are 6 miles apart, what was the kayaker's average rate of speed in miles
per hour?
12 mph
6 mph
4 mph
2 mph
In the quadrilateral ABCD, side AB is parallel to side CD. Sides AD and BC are not
parallel.
What is the area of the figure to the nearest square centimeter?
Jane has taken five tests and has an average of 84. What must she get on the next test
to raise her average to 85?
86
87
90
92
Alice and Bob have a bet to see who makes the higher score on their final exam in biology.
After the exam they compare papers. Alice’s teacher has written 86% at the top of her
paper. Bob’s teacher has written 42/50 on the top of his paper. After Erlene and Bob
convert their scores to be on the same scale, it is clear that
What is the average of the following dataset: 0.0012, 0.00067, 0.0023, 0.01, 0.009?
Submit
What is the length of a side of a right triangle
if the other side measures 12 centimeters and
the hypotenuse measures 20 centimeters?
8
16
23.32
32
Gerald uses 4 cups of flour and 1 cup of sugar
in his famous cookie recipe. If he needs to
make five batches, how much flour and sugar
must he have on hand?
4 cups flour, 1 cup sugar
10 cups flour, 2.5 cups sugar
5 cups flour, 20 cups sugar
20 cups flour, 5 cups sugar
Expand \( (2x+5)^2 \)
\( 4x^2 + 25 \)
\( 2x^2 + 10x + 25 \)
\(4x + 10 \)
\( 4x^2 + 20x + 25 \)
A bowl is filled with 5 red, 6 yellow, and
4 white balls. What is the probability of
drawing a red ball and then a white ball at
random?
\( 9 \over 21 \)
\( 9 \over 29 \)
\( 2 \over 21 \)
\( 1 \over 3 \)
What is the smallest integer that makes \(x \geq -10 \) true? Type your answer in the box:
Submit
The ratio of the sides of two squares is 1:2.
What is the ratio of their areas?
1:1
1:2
4:1
1:4
A line has the equation \(3x − 5y = 15\). What is its slope?
\( -\frac {5} {3} \)
\( -\frac {3} {5} \)
\( \frac {5} {3} \)
\( \frac {3} {5} \)
If the enrollment at a school was 1250 last
year and is 1500 this year, what is the percent
increase from last year to this year?
20%
17%
9%
15%
Only 9% of the residents in a county live on farms.
The population of the county is 127,000 people.
How many people do NOT live on farms?
11,430
14,111
114,300
115,570
Only 9% of the residents in a county live on farms.
The population of the county is 127,000 people.
17% of the people in the county are above
the average age. How many people are
above the average age?
74,700
21,590
90,170
105,050
What is the perimeter of a hexagon that is 17 inches on a side?
51 inches
102 inches
112 inches
119 inches
Where does the graph of \( y=6x^2+5x-6 \) intersect the y-axis?
\(6\)
\(5\)
\(-6\)
\(-5\)
What is the sum of \(2x+13\) and \(6x+3\)?
\(8x+16\)
\(8x^2+16\)
\(4x-10\)
\(x+2\)
Which of the following has a larger area?
a circle with a diameter of 30 centimeters
a square that measures 30 centimeters on a side
Evaluate \(4^\frac {5} {2} \)
32
10
512
64
Given a group of 12 women and six men, how
many distinct groups of three women and
three men can be formed?
Sandi has brewed 55 ounces of iced tea. How
many full glasses of tea can be filled if it takes
\(7 \frac {3} {4} \) ounces of tea to fill each glass?
47
8
7
6
Tony fills his car with gas. His tank holds 14.0 gallons of gas. He pumps 8.37 gallons
into the tank. If his car averages 27.6 miles per gallon, how far could he have driven
before running out of gas had he not stopped to fill up? Give your answer to the nearest
whole mile.
155
386
462
617
Which of the following implicitly defines a linear function?
\(x^2+y^2=25 \)
\( 3x-5y=35\)
\(xy=9\)
\(y= {1 \over x} \)
Which function assigns the domain value 12 to the range value 7?
\(y=2x-2 \)
\( y=3x-4\)
\(y= {1 \over 2}x +1 \)
\(y= {3 \over 7} x +12 \)
The length of a rectangle is 5 centimeters more than the width. The perimeter of the
rectangle is 90 centimeters. What is the length of the rectangle?
15
18
20
25
If a fair coin is tossed four times, what is the probability of getting tails exactly
twice?
\( 1 \over 2 \)
\(1 \over 4 \)
\(3 \over 8 \)
\(3 \over 4 \)
Find the median of the following dataset:
1, 3, 14, 28, 2, 18, 27, 86, 34, 45, 44, 36, 21, 11, 51, 23, 37, 52, 29, 41, 33, 19, 24,
38, 15, 87.
27.5
28
28.5
29
Andrea must paint an antique sign composed of three spheres, each of which has a
diameter of 12 inches. Each can of paint covers
288 square inches. How many cans of paint must Andrea buy to do the job?
4
5
6
7
What is the perimeter of a right triangle whose height is twice its base and whose area
is 72.25 square inches?
8.5 inches
17 inches
19 inches
44.5 inches
What is the equation for a line perpendicular to \( 6x - 7y = 8 \) and passing through
the point \( (8,1) \) ?
