A $20 decrease followed by a $20 increase
A 50% increase followed by a 33 % decrease
A 60% increase followed by a 40% decrease
100% increase followed by a 33% decrease
A 75% decrease followed by a 50% increase

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

umumumumum

im not sure

answer

step-by-step explanation:

sorry i got nothing

step-by-step explanation: