Fast I have 5 mins last question has 2 parts

Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a. heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5