Find the critical value to for the confidence level c = 0.90 and sample size n= 18.

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.

Which representation has a constant of variation of -2.5

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c