What is the common difference in the arithmetic sequence -4x,-x,2x,5x, ?

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

What is the y-intercept of the line with the equation 3x + 4y = 12?