What is the solution to the division problem below?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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?