Answer:
3520 ft/min
Step-by-step explanation:
40 mi/h = (40 mi/h)×(5280 ft/mi)×(1 h)/(60 min) = 3520 ft/min
_____
Each conversion factor has a value of 1 (numerator = denominator), so changes the units without changing the speed.
Answer:
a. 
b. 
Step-by-step explanation:
a. A number decreased by 11 is at most 14.

b. Ten less than five times a number is less than four times the number decreased by eight.

Answer: The first option.
Step-by-step explanation:
If you square you get 
x=0
Answer:
100 `('-')`
Step-by-step explanation:
sorry if wrong