A point located at (6, -4) is reflected over the x -axis. What are the coordinates of the image?

(6, 4)
(-6, -4)
(-6, 4)
(-4, 6)

What is the value of x in the following equation? -3x-2=2x+8

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement