When you convert 100 feet per second to inches per second will there be more or less than 100 inches?

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?

Solve 3x-18=2y and 5x-6y=6 by elimination show work

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.