Use the Pythgorean Theorem to determine the distance between points D and X to the nearest tenth

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

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

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?