question If the radius of a sphere is 6 units what is its volume

Math

If the radius of a sphere is 6 units, what is its volume?

A. 36�36π cubic units
B. 72�72π cubic units
C. 108�108π cubic units
D. 216�216π cubic units

Volume of a sphere = 43×�×radius334×π×radius3.

If 1331 of a number is 15, what is 2332 of that number?

A. 20
B. 25
C. 30
D. 35

If 2552 of a number is 18, what is the number?

A. 25
B. 35
C. 40
D. 45

Express 0.4 as a fraction in simplest form.

A. 1551
B. 2552
C. 1221
D. 4554

The area of a circle is 64π square units. What is its radius?

A. 4 units
B. 6 units
C. 8 units
D. 10 units

If 4�−3�=74a−3b=7 and �+�=5a+b=5, what are the values of �a and �b?

A. �=2,�=3a=2,b=3
B. �=3,�=2a=3,b=2
C. �=4,�=1a=4,b=1
D. �=1,�=4a=1,b=4

If the base of a parallelogram is 7 units and its height is 4 units, what is its area?

A. 14 square units
B. 21 square units
C. 28 square units
D. 35 square units

If the base of a triangle is 10 units and its area is 3030 square units, what is its height?

A. 3 units
B. 4 units
C. 5 units
D. 6 units

Solve: 2×(�+4)=202×(x+4)=20

A. �=6x=6
B. �=8x=8
C. �=10x=10
D. �=12x=12

The perimeter of a square is 20 units. What is the length of each side?

A. 2 units
B. 4 units
C. 5 units
D. 10 units

What is the median of the following set of numbers: 12, 8, 5, 16, 20?

A. 10
B. 12
C. 16
D. 18