Find the exact value of sin(x + y), given sin(x) = Negative one-half, cos(y) = Negative one-third, x is an angle in quadrant III, and y is an angle in quadrant II.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided