Answer:
The answer is D.
Step-by-step explanation:
As the question say x represents number of minutes and y represents total amoumt so $5 and $10 is a fixed amount that are needed to pay for each month. So the expression for each month that is needed to pay is :
y = 0.99x + 5
y = 0.79x + 10
Answer:
m=7
Step-by-step explanation:
16x = 45 - 29
16x = 16
x = 16/16
x = 1
