Hi po pahelp ito pls pls pls pls pls pls pls

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

How many lines can be drawn through points j and k? 0 1 2 3

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?