Express 12 000 in standard form

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?

Jessie sorted the coins in her bank she made 7 stacks or 6 dimes and 8 stacks of 5 nickels she then found 1 dime and 1 nickel how many dimes and nickels dose jessie have in all?

Identify the pythagorean triple. a) 3, 5, 7 b) 8, 16, 32 c) 12, 34, 37 d) 20, 21, 28 e) 36, 77, 85