HELP!!
For any vector A, A + (-A) = 0.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.