Answer:
Slope = 2
Step-by-step explanation:
(1,3) and (3,7)
m = (7-3)/3-1)
= 4/2
= 2
Answer: D hope this helps
-3
2
5
Subtract original amount from new amount:
84 - 39 = 45
He bought 45 books.
B. c = 125 + 90(9) is the answer
