A restaurant bill or lunch is $18 and the sales tax will be 6.5%. Savannah wants to leave a 15% tip. How much will lunch cost including the tax and the tip?

What expression is equivalent to 42x-56y

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?

Find an equation of the line that has intercepts (1,0) and (0,4).