**Answer:**

18

**Step-by-step explanation:**

area of the "left most" side disk would be = 9

the height of the disk is = 2

thus the area would be 18 units cubed

**Answer: **Brian & Derek will earn $25 If they sell 8 and 12.

**Step-by-step explanation:**

**Answer:**

$960

**Step-by-step explanation:**

110% = $880

10% = $80

120% = $960

**Answer:**

c= 1 d=1

**Step-by-step explanation:**

The answer to your question is:

<em><u>**24**</u></em>