Which one of the following is not used to calculate net sales? a. sales returns and allowance b. purchases c. sales discount d. gross sales

Which of these choices show a pair of equivalent expressions?

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.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?