Answer:
Q1: B. UHWXUQV
Q2: None of these answers equal 12 so I'll just tell you the answers for all of them in case you mistyped.
a. 66
b. 82
c. 120
d. 109
Im assuming you meant 120. If so, your answer is c.

SQRT each individual bit: 4 and

and 9 and
Not too sure what you're asking, but...
3(x+2) is the expression
Answer: (-1/5, 2/5)
Step-by-step explanation:
See the photo for explanation and work.
Step-by-step explanation:
It is given that, an air conditioning system can circulate 320 cubic feet of air per minute. We need to find how many cubic yards of air can it circulate per minute?
1 yard = 3 foot
1 feet = (1/3) yard
320 feet = 106.66 yard

So, it will circulate 11.85 cubic yard of air per minute.