Kamal makes clay sculptures and ships them to buyers throughout the country. The function f(x) gives the cost, in dollars, of shipping a box that weighs x pounds.
What does f(7) < 10 tell you?

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?