Determine the center and radius of the following circle equation:

x2 + y2 + 10x + 4y + 28 = 0

Please help :) ❤️

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?

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

Miguel has 334 baseball cards and 278 football cards. he says, i have 612 cards in all. is that reasonable? explain using the words round and estimate.