Express 80 as a product of prime factors

Is the point (0, 8) on the x-axis or y-axis? how do you know?

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

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.