Jessica's company makes solid metal balls for various industrial uses. A customer wants aluminum balls that have a diameter of 6in. If Jessica must make 70 of these balls, how much aluminum will she need?

Abdul's company makes solid balls out of scrap metal for various industrial uses. For one project, he must make copper balls that have a radius of 6in. If copper costs $0.75 per in3, how much will the copper cost to make one ball?Use 3.14 for π, and do not round your answer.

An ore contains 7.8% aluminium. What mass of aluminium would there be in 50kg of the ore?

A sporting goods store was selling clearance sport balls.  They were selling 5 sport balls for $73.10.  If they sold 7 sport balls, how much would they have made in dollars?

A solid metal sculpture in Kamila’s backyard is in the shape of a sphere and has a radius of 6 inches. She wants to have it melted and made into small solid cones. She would like the cones to each have a diameter of 6 inches and a height of 9 inches. With these dimensions, how many cones can be made from the metal sphere?In your final answer, include all formulas, equations, and calculations necessary to determine how many cones can be made.

Kyle is creating a sizeable square pyramid out of aluminum. He needs to know how many square feet of aluminum to buy at the hardware store.The pyramid has a square base with sides 3 feet long and a slant height of 5 feet.The area of the base is Blank 1 Question 9 ft2, and the total surface area is Blank 2 Question 9 ft 2.