At a sale this week, a desk is being sold for $234. This is a 35% discount from the original price. What is the original price?

I'm confused on this could anyone me and show me what i need to do to solve it.

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

Factor this polynomial completely. x^2-8x+12