• ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements. You travel 20.0 mph for 0.500 hour, 40.0 mph for 1.00 hour, 30.0 mph for 0.500 hour, and 50.0 mph for 2.00 hours.
What is the average speed?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Which lists the organs in the correct order as food passes from the mouth to anus?