Apaper plate has a diameter of 9 inches. what is the circumference of the plate

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Paper plates cost $8 per package and plastic utensils cost $5 per package. your supplier delivers 15 packages for a total cost of $90.