Which expression correctly shows 2x^5y−2x^2y factored completely over the integers?

A.−2x^2y(x+1)(x^2−x+1)

B.2xy(x−1)(x^2+x+1)

C.2x^2(x−y)(x+y)

D.2x^2y(x−1)(x^2+x+1)

E.2x^2(x−y)(x^2+xy+y^2)

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What expression is equivalent to 42x-56y