3y=2x-12 y=-x-1

Which ordered pair is the best estimate for the solution to the system?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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?

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?