Lennon uses 512512 cups of flour for every 2 batches of cookies she bakes. what is the unit rate per batch of cookies?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

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.

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate