Answer:
Step-by-step explanation:
Answer:
f(x)= 7.5x + 3
Step-by-step explanation:
you have 3 dollars just there, and you get 7.50 per car wash, so that is the x
Answer:

Step-by-step explanation:
HOPE IT HELPS U MATE
Answer:
#11 : 14 cars
#12 : 8+6+4=18
Step-by-step explanation:
(8q)/4 ..................