Answer this please <3 <3 <3 <3 <3 <3 <3

Write the fraction or mixed number and the decimal shown by the model

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

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?