When f(x) = –3, what is x?

How many $20 bills do you need to have to make $280

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?