Evaluate the expression when x = 9.2 and y = 3.4.
5xy

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)