Answer:
-13
Step-by-step explanation:
it must be either -11 or -13. -13 is less than -12.
Well what exactly do you need help with?
Answer:
Reaches a maximum height of 235.00 feet in 3.75 seconds.
Step-by-step explanation:
The height of the boulder, h, in feet after t seconds is given by the function is given by :
.....(1)
For maximum height, put 
i.e.

Put t = 3.75 in equation (1). So,

So, the boulder's maximum height is 235 feets and it takes 3.75 s to reach to its maximum height.
Answer:
5
Step-by-step explanation:
see explanation, use tangent property to solve question
20,000÷50=

The plane needs to descend at 400 ft per mile.
At 40 degrees?