A mechanic used 49 quarts of oil to change the oil in 7 cars. At this rate, how much oil would he use to change ths oil in 17 cars? Explain how you know

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?