The sum of two angles is 85 degrees. If the angles are in the ratio 5:12, what is the measure of each angle?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.