Does this table represent direct variation, inverse variation, or neither? X: 3,5,15,20 Y: 5,3,1, .75

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=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?