A parachute is describing at rate of 28 feet per minute find the total change of altitude of the parachuter after 4 mins.
112 feet
The number of observations is 15
Answer:

Step-by-step explanation:
h(x) + g(x) = 

Answer:
x=12
Step-by-step explanation:
Since AB=BD, they have equal length. 15x+4=2x+160, 13x=156, x=12
Hi :)
Dont spazm to much :D