Karl has a cat and a dog. He buys one bag of cat food that weighs 12lbs and one bag of dog food that weighs 20lbs. How many ¼-lb servings of cat food can he get from one bag? Use more than one way to justify your mathematical thinking. When you answer please write it in a complete paragraph at least 1 paragraph thank you!

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?