Tina saves 10% by picking up her pizza rather than having it delivered. She orders 3 large pizzas and each costs $12.45. How much will she save on her total bill by picking up her order?

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

One positive number is 9 more than twice another. if their product is 95, find the numbers