What is the equation of a line containing the points (-3,2) and (-2,-1)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units