A stack of cards is numbered from 1 through 50. If a student selects a card, what is the probability that a student will select a card that shows a single digit number?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Prove that quadrilateral is a rhombus.

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m