What is the area of a regular hexagon with side length of 12.7 and apothem length of 11? PLEASE HELP!

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru