HELP PLEASE

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?

Evaluate cos2θ for cosθ = square root of 3/2

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation