question If the diameter of a sphere is 12 units what is its volume

Math

If the diameter of a sphere is 12 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.

Solve for �x: 14(12−�)=341(12−x)=3

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

Solve for �x: 34(20−�)=1243(20−x)=12

A. �=2x=2
B. �=5x=5
C. �=8x=8
D. �=10x=10

If a rectangle has a length of 8 units and a diagonal of length 1010 units, what is its width?

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

If the base of a triangle is 6 units and its height is 8 units, what is its area?

A. 12 square units
B. 24 square units
C. 30 square units
D. 48 square units

If 2�+7=212r+7=21, what is the value of �r?

A. 6
B. 7
C. 8
D. 9

If 2�−3=132x−3=13, what is the value of �x?

A. 5
B. 7
C. 8
D. 10

What is the sum of the interior angles of a pentagon?

A. 90∘90∘
B. 180∘180∘
C. 360∘360∘
D. 540∘540∘

Solve for �x: 25(25−�)=952(25−x)=9

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

The sum of the angles in a hexagon is 720∘720∘. What is the measure of each interior angle?

A. 120∘120∘
B. 140∘140∘
C. 150∘150∘
D. 160∘160∘

If 3�−2=133z−2=13, what is the value of �z?

A. 4
B. 5
C. 6
D. 7