The Kellys are having dinner at a local restaurant. Mr. Kelly wants to give the server a 15% gratuity, and the sales tax is 6.5%. He will use the amount of the bill to find each additional amount. Question 1
Part A

Which components would Mr. Kelly use to write an equation to determine the total cost of the meal, given the amount of the bill, x?

Select all the components of the equation.

A. x

B. x+0.15

C. 0.15x

D. x+0.65

E. 0.65x

F. 0.065x

Question 2
Part B

By what percent does the cost of the meal increase with tax and gratuity?

Enter the correct answer in the box.

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =