What are two numbers that have a sum of 77.95 and a diffrence of 30.61

Which statement best explains why ben uses the width hi to create the arc at j from point k

A. s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!