Find The term containing x^3 in the expansion (x-3)^10

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path