If a line l has an equation ax+by+c=0, what is the slope of l if b=0 an a does not equal o

If δmtv is reflected across the y-axis, what are the resulting coordinates of point m? a) (-2, 5) b) (-5, 2) c) (5, -2) d) (-2, -5)

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

If np3 /nc2 = 6, find the value of n