2wholes and 3/12 + 3/? = 2 wholes and 5/8 .what is the missing number ?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?