This is how i feel:(

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

What’s the range cuz i can’t find it?

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