Answer:
12
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
dc + 2h
c = 2
d = 3
h = 3
<u>Step 2: Evaluate</u>
- Substitute: 3(2) + 2(3)
- Multiply: 6 + 6
- Add: 12
Answer: 271
Step-by-step explanation:

Volume is 4/3(3.14)(r)^2
the radius is 5.2 ft
If its 21 inches then rounding to the nearest who should be 21 inches
52=100%
x=30%
52/x=100%/30%
which equals to 15.6
Answer 15.6