First you have to do

.
Since the car is moving at a constant rate, the answer would be
8h.
Answer:
A
Step-by-step explanation:
8% = .08 in decimal form
10 000 ( 1 + .08)^10 =
30)
10 x 6 = 60
11 x 4 = 44
12 x 4 = 48
60 + 44 + 48 = 152 cm^2
answer: area = 152 cm^2
The instructor wants the profit to be positive, so
f(n) > 0
70n -400 > 0
n - 400/70 > 0
n > 5 5/7
The instructor must enroll at least 6 students to make a profit.