A store is running a sale with a scratch-off coupon. You either get 15$ off of your purchase of 50$ or more, or you get a 30% discount off your purchase of 50$ or more. Which is the better deal

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?