Which of the following describes the end behavior of the function f(x)=−5x6−4x5+19x4+x3−11x2+15x−1?

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?