Renee earns 2 dimes each time she her mother. how many dimes will she earn if she her mother 4 times a day for a week

Y=4x^2+x-1 solve using quadratic formula

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.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.