Answer:
y = 18x + 21
Step-by-step explanation:
Let x be the amount of hours of the renting and y the final cost
y = 18x + 21
In fact the final cost depends from the hours of the renting
Answer:
the answer is 6x.
Step-by-step explanation:
Answer: 19
Step-by-step explanation:
Answer:
90 in
Step-by-step explanation:
15 x 6 = 90 in
This is because
6 x 12 hrs = 3 days
Answer: c = -5, -8
Step-by-step explanation:
c^2 +13c+40=0
(c+5)(c+8)=40
c = -5, -8