Which of the following is a proportion? a. 4/6=8/12 b. 14/21=9/12 c. 5/7=10/12 d. 9/15=12/18

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?