A(n) = a + (n - 1)d 1. A(n) common difference 2. a value of the nth term 3. n number of the nth term 4. d value of the first term

Copy and pate it only for example

Step-by-step explanation:

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2: 10

step-by-step explanation:

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