Lines AB and CD are parallel. If 1 measures (2x + 15)°, and 4 measures 101°, what is the value of x?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Write an equation for the function that includes the points (2,100)and (3,100)

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?