A1 would be the first y value, which is 3 and d is the ratio ( distance between each y value) which is 3 ( add 3 to the y value to get the next one)
The answer is a1= 2, d = 3
Answer:
2.50$ off or 22.50$
Step-by-step explanation:
y=12x+30
(700+40+5)/30
10(745/3)
30x=745
