The sales tax is 7.5%. what is the total cost of an item that is priced at 30.00?

Which graph shows a function with a range of all real numbers greater than or equal to -1

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd