I need help with this, it's not really coming to my head and its getting annoying

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Use the distance formula to determine weather each pair of segments have the same length

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.