Let (Y1, Y2) have joint density function fY1,Y2 (y1, y2) and let U1 = Y1 Y2 and U2 = Y2. Find the joint density function of (U1, U2). Hint: Your answer will be in function notation. fU1,U2 (u1, u2) =

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