Find the sample size needed to estimate the percentage of adults who can wiggle their ears use a margin of error of 3 percentage points and use a confidence level of 99%

What is the value of y? round to the nearest tenth

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm