Mrs. coronado spent $23 on a manicure. about how much money should she leave for a 15% tip?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125