A phone number is generated using the digits 1, 2, 2, 4, 5, 6, and 2. How many different phone numbers can be generated?

2-digit numbers less than 91 which are 1 less than a multiple of 10

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.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?