Please help meh its midpoint

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters