(c) Find the equation of the axis of symmetry.
equation of axis of symmetry:

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?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

The radius of a sphere is 3 inches. which represents the volume of the sphere?