The 90-pack container sells for $5.49. What is the unit rate of dollars per pack?

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?

Which expression is the factorization of x^2+10+21

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.