Which expression is equivalent to 18 × 12
a) 12 × 18
b) 10 × 8 × 12
c) (10 + 12) × 8
d) (10 + 8) × (10 + 12)

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?

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

Which expression is not a polynomial?