Which regression equation best fits these data? A. y = -0.67x + 12.41

B. y = 11.73.0.94^x

C. y = -0.32x^2 - 1.26x + 15.81

D. y = 0.32x^2 + 1.26x + 15.81

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?