What is the surface area of a sphere that has a radius of 5 units? Use 3.14 for π.

Explain how you can use the associative property to evaluate (7x50)x4.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?