Circle all rational numbers/Expressions. 4PI 0.182 7 2/3 0.516(6 repeating) 8 Square 15 Square 5 3 (3 next to the five at the top really tiny) pi+6 3/4 4.136.

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase