Bella wants to know which mode of transportation is the fastest for getting from her home to the grocery store. she cans drive her car, ride her bike, walk, or charter a helicopter.

How many grams of n2h4 will be consumed by 23 g of n2o4

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone