Factor completely 64^2 - 1

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract