What are the roots of the equation In simplest a+ bi form for 25x^2 -90x+82=0

What point is the projection of q on a) r b) s c) t

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Find the interior angle of a regular polygon which has 6 sides