The mean of 8 numbers is 4,6,4,7,(x),(x+1),8 and 2 is 5. Find x​

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.