Using complete sentences, describe the net of a rectangular prism with a length of 12 centimeters, a width of 9 centimeters, and a height of 5 centimeters. please help I'm desperate

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?