Ijada has a total of 45 bills in her piggy bank, consisting of only $1s and $5s. The value of all the money is $121. How many of each bill does Ijada have in her bank?

Does anyone know how to do geometryme with this problem

What is the perimeter of a rectangle if the length is 5 and the width is x?

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal