Which ordered pairs make the inequality true? x+3y<9

Select each correct answer.

(5,1)

(1,3)

(−2,3)

(−1,4)

How many zeros does the function f(x)=4x3-x2+1 have

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

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?