Mixed Review
A jacket is on sale for 30% off. The regular price was $50. What is the sale price?
$35
Solve and graph on a number line:
5x + 30 > 90
x > 12
Use 2 unit multipliers to convert 864 in2 to square feet.
6 ft2
Divide 8 x 105 by 4 x 107
2 x 10 -2
What is the probability that a coin will land heads up on 5 consecutive coin tosses?
1/32
If 15 books cost $87 at the bookstore, how much would 20 books cost?
$116
What is the mean and median of this data set?
1.3,5.2, 6, 2.9, 2
Median:2.9
Mean: 3.48
What would be the height of a triangle if the AREA = 48, and the base = 12.
height = 8
(-8)2 x 2-2
16
Solve: 2 2/5x - 20 = 40
25
Find the volume of a square pyramid with base sides of 12 and a height of 10. Express answer in cm.
480 cm3
A skateboard was on sale for 25% off the regular price. If the store sells the skateboard for $90. What was the original price?
$120
A bathtub is 40 cm by 75 m by 100 cm. How many liters can the bathtub hold? How many kilograms does it hold?
300 liters, 300 kg
Make a table of 3 ordered pairs using the function y=-2x +1. Then graph the ordered pairs and name the slope.
(0, 1), (1,-1), (2, -3) (3, 5)
m= -2
Simplify: 3y x 3y divided by 3y + 3y
3y/2
Mary walks from point A to point B to point C. How many yards would she save if she walks from point A to point C?
6 yards