Review

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.1

What is the area of this circle?

• 1384.74

• 2142.12

• 5541.77

• 1289.12

Diameter 16 in

Find the circumference of the circle.

• 48 in

• 24 in

• 78 in

• 60 in

Ray wants to build a fence around his circular garden outside. The garden has a radius of 6 ft. How many feet of fencing does he need?

• 12 ft

• 18 ft

• 24 ft

• 36 ft

What is the constant?

• k=28/4

• k=7

• k=4/28

• k=1/7

Answer explanation

Make sure to simplify 28/4 is correct, but you have to divide.

What is the constant? Write answer like this..... k=#

What is the constant? Write answer like this..... k=#

I paid $15.00 for 6 gallons of gasoline.

What was the price PER gallon?

• $0.40

• $9.00

• $2.50

• $0.90

Is this table proportional? (divide them all, if you get the same number the answer is yes)

• Yes

• No

What is the probability of spinning green?

• 0

• 1/4

• 1/2

• 3/4