Which expression represents the value of a $3,000 investment after 8 years at an annual interest rate of 5%, compounded monthly?

$3000{\left(1 + \frac{0.05}{12}\right)}^{96}$

$3000{\left(1 + \frac{0.05}{12}\right)}^{8}$

$3000{\left(1 + \frac{0.05}{4}\right)}^{32}$

$3000{\left(1 + 0.05\right)}^{8}$

Maria wants to find the value of her $6,000 investment after 5 years at 8% interest compounded quarterly. Which expression should she use?

$6000{\left(1 + \frac{0.08}{4}\right)}^{20}$

$6000{\left(1 + \frac{0.08}{12}\right)}^{60}$

$6000{\left(1 + 0.08\right)}^{5}$

$6000{\left(1 + \frac{0.08}{4}\right)}^{5}$

The number of cars in a parking lot.

The number of students in a school.

The volume of water in a swimming pool.

The number of books on a shelf.