Ineed simplifying a math problem. it is (x^2 * x^-3)^4
the answer needs to have only positive exponents.
also, can you explain how you got the answer pls.

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?