" In an online survey, 42% of teens between the ages of 13 and 17 said they can text while blindfolded. Estimate the number of teens who can text while blindfolded from a class of each of the following number of students. a. 100 students
b. 200 students
c. 150 students"
I don't understand what to do here.

a

step-by-step explanation:

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

students group

step-by-step explanation:

a person who   joins a party or a seminar can explain his feelings about that particular occasion better more than anyone else.

as bella managed a show for the students in the school and invited students to watch that show

hence

students group will be the best group to survey to find this information