Answer:
a) $(
)
b) $(20m + 7080 - 43200/m)
d) m= 36 or m= -60
e) $200
Step-by-step explanation:
Please see the attached pictures for full solution.
It is shown that he goes down in a slower time than he does going up.
Answer:
B
Step-by-step explanation:

use the point (-5,3)
y-3=-(x-(-5)) = y-3= -(x+5)
Answer:
Step-by-step explanation:
Slope is (80,20)(120,30) is A 1/4
(80,20) 20 is 1/4 of 80
(120,30) 30 is 1/4 of 120
9.4 is the distance coming back with pythagorean theorem
add the original 13 miles
22.4 miles