3-60. simplify the following expressions by combining like terms. homework he
a. y + 2x – 3 + 4x2 + 3x - 5y
b. 2x – 6x2 +9-1-
c. 2y2 + 30x - 5y2 + 4x – 4y - y
d. -10 + 3xy – 3xy

Describe at least one way in which the executive branch is able to influence the actions of the legislative branch and at least one way in which it is able to influence the actions of the judicial branch

Defined the word imperialism. what is your opinion: should the us engage in imperialism? under what circumstances? offer a brief affective argument against the opinion that you hold.

What from the columbian exchange had perhaps the biggest impact on the world?