Salim bought a dvd recorder for $280 now it is on sale for $220 find the percent of change in the price from the nearest whole percent

Which of the choices shown could be used to prove that aacp=abcp ?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?