mindy had 13 flowers. she gave some to sarah. she has 9 left. how many flowers did she give to sarah?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Which value is not a solution of 8x^3 – 1 = 0

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.