Explain how you could decide which approximation of π︎ - 3.14 or 22/7 to use to compute the circumference of a circle.

Factor the expression using gcf 9b+45

Alarge cheese pizza costs $18. each topping you add on costs $1.50. how much would it cost to get a large cheese pizza with cc toppings added? write your answer as an expression

Apet store donated 50 pounds of food for adult dogs, puppies and cats to an animal shelter. 19 3/4 pounds was adult dog food and 18 7/8 pounds was puppy food. how many pounds of cat food did the pet store donate?