An airplane altitude change 378 feet over 7 minutes. what was the mean change of altitude in feet per minute

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount