The table shows data from local day-care centers, representing the number of children in attendance x and daily food costs in dollars y x y x squared x y 16 45 256 720 22 58 484 1 comma 276 28 73 784 2 comma 044 32 94 1 comma 024 3 comma 008 45 141 2 comma 025 6 comma 345 the sum from to of x is equal to 143 the sum from to of y is equal to 411 the sum from to of x squared is equal to 4 comma 573 the sum from to of x is equal to 13 comma 393 Which regression equation correctly models the data?