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. Will give brainliest for a legitimate answer. Dont even try it bots.

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Find the cosine function that is represented in the graph.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00