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.
2x² + 5x - 18
the answers is D)
brainliest?
You draw the reference angle of 45° but clockwise. The exact value of sin(-345°) is 1/√2.