Can you help me This is for my exam and please if you don’t know it please do not answer it and thank you i need to find the length of y

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?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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