Brainliest + ! can you show me the proper calculation for this? since i got it wrong?

  Well the reason your answer is 15 is because, mode is described as the value in the data that occurs most often. Meaning if 50% of students said that they started school at 15, then that is the value that occurs most often in your data.

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

answer: what is the question you're trying to ask?

step-by-step explanation: