The 95% confidence interval for a study on the percentage of teenagers who like to roller-skate is 29% (±7%). Which of these could be the actual percentage of teenagers who like to roller-skate?

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

answer: 177/8

step-by-step explanation:

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3

idkidkdidkdkdidkx

step-by-step explanation:

nndncnd cnn

snddnd