Lauren brings brownies to class one day. She gives 35 of them to her friends Gareth, Tammy, and Camilla. If she gave them 21 brownies, how many did she bring to class?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?