Whích quadratic regression equation best fits the data set? A. ŷ = 0.155x2 – 4.074x + 38.910

B. ŷ = 0.155x2 – 4.074x – 38.910

C. ŷ = 38.910x2 – 4.074 +0.155

D. ŷ = 38.910x2 – 4.074 – 0.155

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Can someone explain to me how to do

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.