This confusing please help me

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?