Please answer for all of these, I give brainiest! also points

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

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

The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid