Pls someone help if you do all 3 i'll give you brainliest

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.