What is the slope of the line that passes through the points (-5,-5) and (-5,5)

Which of the following is the shape of a cross section of the figure shown below

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.