Carlos borrowed $4000 from a lender that charged simple interest at an annual rate of 7%. When Carlos paid off the loan, he paid $560 in interest. How was the loan for, in years?

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

What is the standard form of -5x^2+2x^4-11+x^3+3x