Ineed asap, this is my last question for my

at a book fair, scott bought a 4$ tote bag and some books for 2$ each. the total amount scott spent is represented by the equation below.

y= 2x + 4

what does the variable x represent in this equation?
a. the cost for one book
b. the total amount spent
c. the number of books bought
d. the cost of all the books bought

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Is the underlined participial phrase correctly placed or misplaced? i smelled each and every flower strolling through the garden. a. correctly placed participial phrase b. misplaced participial phrase