A sphere has a diameter of 32 ft. What is its surface area? The surface area of the sphere is
ft?. (Type an exact answer in terms of t.)

What are the domain and range of the functiony = 2(x - 3)2 + 4?

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Standard deviation of 19,29,21,22,23