Amachine worked for 5 hours and used 4 kilowatts of electricity. the machine used _ of a kilowatt each hour it worked.

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]