option D
rent = 25b + 10
where b is hours for boat rented
85 = 25b + 10
25 b = 75
b = 75/25 = 3
Answer:
34
Step-by-step explanation:
if it's to the power of 2 it's timed by itself 3 x 3 is 9 and 5 x 5 is 25 just add those and it's 34
45 times the numerator plus the denominator is most likely going to equal the same amount as if it were doubled.
the answer would be4.7^-10^4