5x – 9y > 8
7x - 4y < 10
Is (2,2) a solution

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?

A50% increase followed by 33 1/2% decrease

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)