saras car is advertised to get 43 miles per gallon. Sara calculated her gas mileage over the pass month to 39 miles per gallon was Sara's percent yield og gas mileage?​

How many moles of oxygen gas are produced from the decomposition of six moles of potassium

Which three statements represent the benefits of performing experiments using computer simulations?

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.