1) Calculate the distance between point A: (22,12) and point B: (30,27)​

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

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?