28mn/7n and 4m are these expressions equivalent

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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

Adistribution has the five-number summary shown below. what is the third quartile, q3, of this distribution? 22, 34, 41, 55, 62