Solving Equations

What is the solution for the equation (11a + 8) / 7 = 9?

• a = 55

• a = 63

• a = 7

• a = 5

If the volume of a cube is 64 cubic inches, what is the length of an edge of the cube?

• 4 inches

• 8 inches

• 16 inches

• 32 inches

Given a cube with a volume of 64 cubic inches, what is the area of one of its faces?

• 16 square inches

• 32 square inches

• 64 square inches

• 8 square inches

For a cube with a volume of 64 cubic inches, what is the surface area of the cube?

• 96 square inches

• 128 square inches

• 256 square inches

• 384 square inches

What is the value of j if j² = 729?

• 27 or -27

• 27

• 9

• 9 or -9

What is the value of m if m³ = 729?

• 9

• -9

• 27

• -27

What is the value of n if n³ = −125?

• -5

• 5

• 5 and -5

• no solution

Which of the following numbers are irrational?

• √11 and π

• 3.31 and 3.316

• √27 and 10/3

• π and 3.31

Order the following numbers from least to greatest: √11, 3.31, ∛27, 3.316, 10/3, π.

• √11, ∛27, 3.31, 3.316, 10/3, π

• 3.31, √11, ∛27, 3.316, π, 10/3

• √11, 3.31, ∛27, 3.316, π, 10/3

• 3.31, √11, 3.316, ∛27, π, 10/3

2w=58

• 29
• 32
• 15
• 116