What is equivalent to 2x(x2+2)(x2-2)
2x5-8x
How many degrees does a straight line measure?
180 degrees
A bag contains 9 red marbles, and 5 green marbles. What is the probability of choosing a blue marble?
1/8
The speed of one car is 20% less than the speed of a second car. What per cent more time does the first car need to travel the same route as the second car?
25%
Last year, a bakery sold w loaves of bread. This year, the bakery sold three more than twice the number of loaves of bread sold last year. If next year the bakery plans on selling twice the number of loaves of bread sold this year, how many loaves of bread does the bakery expect to sell next year?
4w+6
What is the radius of a circle whose diameter is 45?
22.5
Find the mean, median, and mode:
10,20,30,40,3,9,12,15,20,7,2,7,9,4,7
Mean: 13
Median: 9
Mode: 7
A coin is flipped once. What is the probability of heads?
1/2
A cab ride costs $3.25 for the first half-mile and $0.70 for each mile after the first half-mile. How far can someone travel for $12?
13 miles
A ladder is resting against a wall. The top of the ladder touches the wall at a height of 9 feet, find the length of the ladder if the length is 3 feet more than its distance from the wall.
15 feet

The dot plot above identifies the number of pets living with each of 20 families in an apartment building. What fraction of the families have more than two pets?
1/5
A survey shows:
40 students like sports
35 like music
25 like art
How many students were surveyed total?
100
Solve the given quadratic equation:
10x2-26x+12=0
x= 3/5 and x=2
An electrician cuts a 30m piece of cable into two pieces. One piece is 2m longer than the other. How long are the pieces?
14m and 16m
20%
What does it mean for two angles to be supplementary?
They add up to exactly 180 degrees
Simplify the radical expression
√24 + √ 28 + √54
5√6 + 2√7
Find the length and width of a rectangle whose perimeter is 280m and the width is 26m less than the length.
Length is 83m
Width is 57m
A laptop originally cost $850 and is now being sold for $1,045. What is the percent increase?
22.94%
2x+3y-z
-4