Can a radical ever be rational? explain.

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?