If
was written in the form ax" then which of the following would be the product of a and n?

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Which graph represents the linear function below? y-3=1/2(x+2)

Yvaries directly as x. y =90 when x=6. find y when x=13