Need immediate help. The coordinates of the vertices for triangle PQR are P (-2, 5), Q (-1, 1) and R (7, 3). Which two calculations of the slope correctly show that this is a right triangle

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.