PLEASE HELP!! THIS QUESTION IS TIMED T-T At this rate I kinda wanna just drop out an sing for people on the streets or become a hermit who lives in the hollow of a tree in the middle of a forest next to a little stream.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you