100,000 bacteria die at a rate of 20% every 5 minutes the rate at wich the bacteria die B(t) can be represented by which of the following functions.( i have to create a exponetial function)

For every touchdown scored by the timberwolves the mascot does three backflips if the cheerleaders set off six confetti cannons how many touchdowns did the timberwolves score if the cheerleader set of 18 confetti cannons