What is the amount of sales tax owed on a $550 laptop computer if the tax rate is 7

How can you tell when x and y are not directly proportional?

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]