Please help will mark brainliest!

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

Who ever answers this will get a cookie from batman

Morgan is dividing 2 by 18. what will keep repeating in the quotient?