What is the product of (7x+2) and 20-3x/4

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

With number 11 ( show how you got the answer)