Let y represent the number of gallons of gas after x minutes. Joe is filling his gas tank with gas. After 2 minutes there are 12 gallons of gas and after 4 minutes, there are 20 gallons of gas. What is the average rate at which gas is entering the gas tank?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?