Need help with geometry HW.

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Which of the following tables represents exponential functions?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?