Gabrielle's age is three times Mikhail's age. The sum of their ages is 68 . What is Mikhail's age?

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2