Which describes a characteristic of branched polymers?
they have only one start point and many end points.
they have many start points as well as many end points.
they have many start points and only one end point.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

How can writing phrases as algebraic expressions you solve problems?