Sophia babysat for 3 7/12 hours on friday. she babysat for 2 5/6 hours on saturday. complete the sentences by estimating. a) sophia babysat for about 2 , 3, 3 1/2 or 4 hours on friday. b) sophia babysat for about 1, 2, 2 1/2, or 3 hours on saturday. c) sophia babysat for about 5, 5 1/2, 6, or 6 1/2 hours on friday and saturday combined.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Which shows the graph of the solution set of 3y – 2x > –18?

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?