Suppose the diameter of a circle is \color{green}{6}6start color green, 6, end color green units. What is its circumference?

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1