Last year lukas read 7 more books than trevor. this year lukas read twice as many books as last year. if k represents the number of books trevor read last year type an expression to show the number of books lukas read this year.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?