3164 divide 45 fast plz fast

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)