Is x to the 2nd power plus y minus 15 equal to 0 a relation

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees. (10 points)

Given right triangle a w/a hypotenuse length of x+4 and a leg of x, and right triangle b, w/ a hypotense length of 3y and a leg length of y+4 for what values of x and y are the triangles congruent by hl?

Avideo game enthusiast saved $750 to spend on a video game player and games. the player costs $400. the games costs $49 each. at most how many games can this enthusiast buy along the player