21/4 cups of raisins are used to make 4 servings of trail mix. how many cups are in each serving

49xy +34y - 72z. determine the degree of the polynomial

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.