17) List the ways five dogs a Beagle, a Collie, a Greyhound, a Poodle and a
Scottie can be put in pairs without counting alternate orders. How many pairs
are there? Is this a combination or permutation?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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.

What is the difference between the equations of a vertical and a horizontal line?