(05.03 MC) Thomas wants to rent a lawn mower. He has to pay a fixed base cost plus a daily rate for renting the lawn mower. The table shows the amount of money, y, in dollars, that Thomas has to pay for renting the lawn
mower for x days:
Lawn Mower Rental
Number of days Rent (dollars)
(x)
ly)
0
12
1
21
2
30
3
39
48
Which equation best shows the relationship between x and y?
Oy = x + 21
Oy = 9x + 21
Oy = 9x + 12
y=x+12