The table shows the size of outdoor decks x in square feet, and the estimated dollar cost to construct them y x y x squared x y 100 600 10 comma 000 60 comma 000 144 850 20 comma 736 122 comma 400 225 1 comma 300 50 comma 625 292 comma 500 324 1 comma 900 104 comma 976 615 comma 600 400 2 comma 300 160 comma 000 920 comma 000 the sum from to of x is equal to 1 comma 193 the sum from to of y is equal to 6 comma 950 the sum from to of x squared is equal to 346 comma 337 the sum from to of x is equal to 2 comma 010 comma 500 Which regression equation correctly models the data?