. Một hãng biết được đường cầu về sản phẩm của mình là p = 200 – 0,02Q, hàm tổng chi phí là TC = 100Q – 30000. Hãy viết biểu thức hàm tổng doanh thu, hãng hoạt động với sản lượng và giá bao nhiêu để tối
đa hoá lợi nhuận.

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.

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?