Please help me form my equations

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

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2