Answer:
Two Synonyms meaning "figures" as used in Shetterly Hidden Figures are:
1. (Choice C) C numbers
2. (Choice F) F people
Explanation:
Synonyms, for example, "figures," are words that bear similar meanings to other words. This implies that one can use the other words in place of the synonyms. For instance, figures can mean "numbers." In mathematical terms, a figure is a number. It can also mean "people," especially when used in a contextual text. One can write: "Eminent federal government figures and prominent people in town accompanied the scientists to the Observatory."
Clumps, waves are the two plural nouns.
I believe "vehement" is the correct answer. It means that it shows strong, powerful, passionate speech and tone.