HELP FOR A TEMPLE GRANDIN ASSIGNMENT. WILL GIVE THING how do you know which way a horse is looking?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

20 the compound al(nh3)2 has atoms of nitrogen.

Which pair of sentences is describing the same velocity? a. a car is parked. a car is moving in circles. b. a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c. a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d. valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.