When angles are complementary, the sum of their measures is 90 degrees. two complementary angles have measures of 2x-10 degrees and 3x-10 degrees. find the measures of each angle.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

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

What else equals 42 and 30 for multiply