Pls help lots of points given the conversion factor 12in/1ft which has the larger volume

b

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons