Which is the right one ?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

What are the solutions of the following system? y=-2x^2 y=x-2