Acar repair shop charge $80 per hour for labor and $210 for the parts of the car if it's auto parts of the repair for the car was 490 how many hours did it take to repair the car

What are the sotions to the quadratic equation 9x^2=4

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?