Please someone help me

Ineed to do my math homework and i am dumb so i need a smart person to me do math so just say sum if u good at math and i will give u my phone number to me with math

What was the historic border between the united states and mexico?

Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. —"the gettysburg address," abraham lincoln which quotation correctly uses an ellipsis to shorten lincoln’s words?