Let S={1,2,3,4,5,6,7,8} be a sample space with P(x)=k2x where x is a member of S,
and k is a positive constant. Compute E(S). Round your answer to the nearest hundredths.

What is the length of bc ? enter your answer in the box.bc =

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.

Consider the diagram. which line segment has the same measure as st? rx tx sr xs