In Jefferson Middle School, 5% of the sixth graders have red hair. If there are 100 sixth graders, how many have red hair? 5
20
50
95

help im am i n a test

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

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.