Find angle sin (a) of the right triangle if side a = 6 and side b = 15 sin (a) =the way i did it i got 15/17 but that was wrong.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Don't know how to find x given these segment lengths