Express (3x-4)(x+7)-1/4x squared as a trinomial in standard 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?

What is the x-intercept and y-intercept of the equation 2x+1. 2o

The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug