A$140 car stereo is marked up 50% and then discounted 50% will the final price of the car stereo be #140

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?