What is the image of(8,12) after a dilation by a scale factor of 1/4 centered at the origin?

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?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Don't know how to find x given these segment lengths