Help please!! 1) A rollercoaster starts by
ascending 20 feet for every 30 feet it
moves forward. The coaster starts at a
point 18 feet above the ground. Write the
equation of the line that the roller coaster
travels along in point-slope form, and use
it to determine the height of the coaster
after traveling 150 forward. Assume that
the roller coaster travels in a straight line
for the first 150 feet. SHOW ALL WORK

2)Suppose that laser eye surgery is
modeled on a coordinate grid. The laser is
positioned at the y-intercept so that the
light shifts down Imm for each 40 mm it
shifts to the right. The light reaches the
center of the cornca of the eye at (125,0).
Write the equation of the light beam in
point-slope form, and find the height of
the laser, SHOW ALL WORK