Find the measure of an angle whose supplement is 4 times as large as its complement

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

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?