With the third one it's urgent

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle