Salma invests money in an account paying a simple interest of 9% per year. If no money will be added or removed from the investment, what should she multiply her current balance by to find her total balance in a year in one step?

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?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Which of the following represents the factorization of the trinomial below? x^2+7x-30