A spring is 2 in. long with no weight suspended from it. For each ounce of weight, the spring stretches 0.3 in. until it reaches its maximum length of 8 in. How much weight must be added for the spring to reach its maximum length?

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.

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Describe the domain and range of y=2(3)^x-2+5