What is the degree of each polynomial? (x^2 - y)^2 Degree
8x^4-5x^7+4c^5 Degree
x^2y^3/3+2x^3+8x^3 Degree
x^4 +2x^3-6x^4-17 Degree
-x^2+7x-4x Degree
x^7+y^8+x^7-y^8 Degree

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project