6. Use the distributive property to find two expressions
that are equivalent to 7(3x - 4).

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?

How to do this , and can some one explain

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)