Please solve this problem as soon as possible.

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

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

Which expression is equivalent to 3^3 + 2^2?