A statistics student considered many methods for collecting data from adults to estimate support for lowering the voting age to 16 years old. Which of the following methods would be least likely to include sampling bias? a random sample of 500 adults in the state
a random sample of 200 students at a large high school
a survey of people leaving the local mall on the weekend
an online survey where adults are invited to share their opinions

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet

c

step-by-step explanation:

answer: group b.

step-by-step explanation: