State the center point and radius of the circle. Write the equation of the circle in general form

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?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate