The ratio of students with blond hair to students with brown or
black hair is 12 If there are
212 students with brown or black
hair, how many students have
blond hair?

Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?

If lmn=xyz, which congruences are true by cpctc? check all that apply

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way