To decide what to eat at a restaurant, frank closes his eyes, places his finger on the menu, and orders whichever dish he places his finger on. he chooses one salad, one main course, and a dessert. if there were 10 possible dishes for each selection, how many possible combinations could he have chosen other than the one he selected?

Find the value of the cosine for angle a

What are “like terms”? why can we only add like terms?

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.