Calculate the average (mean) price between the low and the high price for each of the five hotels. Then calculate the average (mean) of the answers.

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?