What is the best estimate for the mass of a textbook

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Find an equation for the linear function which has slope -10 and x-intercept -7

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.