Which addition expression
has the sum 8 – 3i ?

a. (9 + 2i) + (1 – i)

b. (9 + 4i) + (–1 – 7i)

c. (7 + 2i) + (1 – i)

d. (7 + 4i) + (–1 – 7i)

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.

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =