A dynamic cart moving at 4 m/s is run into the back of and sticks to an identical cart. At what speed should the two carts move off
together?
2 m/s
4 m/s
8 m/s
It cannot be determined with knowing the actual mass of the carts.

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis