-8x2(x+8)=8(2+6) how do i solve this and 4n+3/2=2n-5/1?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

Dawn is selling her mp3 player for 3 4 of the original price. the original price for the mp3 player was $40. how much is she selling her mp3 player for?