**Q7: **

What is the height of a rectangular prism whose volume is and whose base is a square of side cm?

- A cm
- B cm
- C cm
- D cm
- E cm

**Q8: **

Given that 17 tennis balls of radius can fit into a box whose dimensions are , , and , what is the ratio between the volume of the balls and the volume of the box?

- A
- B
- C
- D
- E

**Q9: **

What is the length of a rectangle whose area is cm^{2}
and whose width is cm?

- A cm
- B cm
- C cm
- D cm

**Q10: **

What is the length of a rectangle whose area is cm^{2}
and whose width is cm?

- A cm
- B cm
- C cm
- D cm

**Q11: **

The area of a triangle is cm^{2},
and its base is m.
Write an expression for its height.

- A cm
- B cm
- C cm
- D cm

**Q12: **

The area of a triangle is cm^{2},
and its base is m.
Write an expression for its height.

- A cm
- B cm
- C cm
- D cm

**Q13: **

The area of the shaded region in the figure below is
cm^{2}.
By considering the areas of the rectangles and ,
find the length of .

- A cm
- B cm
- C cm
- D cm
- E cm

**Q14: **

The area of the shaded region in the figure below is
cm^{2}.
By considering the areas of the rectangles and ,
find the length of .

- A cm
- B cm
- C cm
- D cm
- E cm

**Q15: **

Simplify .

- A
- B
- C
- D