Take 2y 2 - 3y - 5 from y 3 - 6y 2 + 5y. select the correct answer.
y3 - 2y2 + 3y + 5
y3 - 4y2 + 2y - 5
y3 - 4y2 + 2y + 5
y3 - 8y2 + 8y + 5

Can someone me with this? i’m not sure what to put for my equations.

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?