Here is a list of numbers:
-2, 13,-16, -5, -18, 13,3,-4, -20
State the median.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Can someone me with my math problem pls my teacher is on my back about this