Pls ill give brainelist

The answer you are looking for is A.

C

Step-by-step explanation: In all graphs, a trend line especially must have a start point and an end point. This helps to establish an average for data, because if there is no start/end point it would be extremely hard to sum up data from a trend line. Hope that helps :)

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

16

step-by-step explanation: