Answer:
21
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
Step-by-step explanation:
<u>Step 1: Define expression</u>
3 × 3 + 3 + 3 × 3
<u>Step 2: Evaluate</u>
3 x 3 = 9
9 + 3 = 12
3 x 3 = 6
12 + 6 = 18
18 + 3 = 21
660 ft/min equals 11 ft/sec
neither?
2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40