What percent of her income was savings ?

I believe it's B 17%

Hope that's rights ^_^

C) 12%

Step-by-step explanation:

The saving is the $300 for the college tuition.

Divide the savings by the salary to get the percentage.

300/2500 = .12

.12 = 12%

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