Which of the following shows the polynomial below written in descending
order?
3x3 - 5x+x?+ 9 + 4x11
A. 9 + 4x11 + x + 3x3 - 5x
B. 4x11 + x – 5x + 9 + 3x3
C. x + 3x3 + 9 + 4x11 - 5x
D. 4x11 + x + 3x3 - 5x+9

Anyone know? is appreciated! will mark brainliest if correct!

Factor the monomial completely 42a3b3

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.