The real number -5 belongs to which set of numbers?

Find the slope of a line given the following two points

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?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2