True or false A polynomial subtracted from a polynomial is a polynomial.
A polynomial multiplied by a polynomial is a polynomial.
A polynomial added to a polynomial is a polynomial.
An integer divided by an integer is an integer.
An integer multiplied by an integer is an integer.
An integer subtracted from an integer is an integer

I think the answer is True hope it helps you.

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