PLEASE HELP M ILL GIVE U 50 coins for the right answer Simplify the expression. Explain each step (0+c)+12

The problem to solve is:

(0+c)+12

0+c evaluates to +c

0 + 12 = 12

The answer is 12+c

(0+c)+12 evaluates to 12+c

The final answer is

12+c

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock