Please help what is the answer

A. s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s

What’s the nearest hundredth of 1.5757

Select the correct answer from the drop-down menu. find the missing term. m-n/m^2-n^2+? /(m-1)(m-n)=2m/m^2-n^2 replace the question mark with to make the equation true.