Hypotenuse of a right triangles whose legs are square root of 10 and sqare root of 15

Convert 2000 swiss francs to dutch guilders

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

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?