Can someone help me !!

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

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?

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no