Abigail’s family was going on vacation. They decided to rent a jet ski. When they went to rent the jet ski, they had to pay a $40 deposit and then $35 an hour. Which equation could be used to calculate how many hours they rented the jet ski if they ended up paying a total of $145.

A. 145 + 35x = 40

B. 35x = 145 + 40

C. 35x - 40 = 145

D. 40 + 35x = 145

The Answer To This Question Is D.

Step-by-step explanation:

So they had to pay 40 and then 35 an hour = 40 + 35x = 145

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f is the midpoint of

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18