The equation
represents the total cost, c, of buying x number of adult tickets and y number of child tickets.
Express 

Now divide this equation by 5:

Answer: correct choice is A
Answer:
D
Step-by-step explanation:
Since you start out with an initial amount and are adding each time, it would increase with a positive slope, left to right
-3z^7 - (-5z^7) = -3z^7 + 5z^7 = 2z^7
Answer:
D. 120 square feet
Step-by-step explanation:
12×10=120
120 square feet
Answer:
called unit rate .
Step-by-step explanation: