D(n) = 6 - 4(n - 1)d(n)=6−4(n−1)

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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?