HELP PLEASE, I CANT FAIL THIS.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?