An animal shelter spends $1.00per day to care for each cat and $4.50 per day to care for each dog. Damian noticed that the shelter spent $85.00 caring for cats and dogs on Tuesday. Damian found a record showing that there were a total of 22 cats and dogs on Tuesday. How many cats were at the shelter on Tuesday?

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?

Ineed i been stuck on this question since yesterday

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000