Asequence of transformations maps aabc to aa bc. the sequence of transformations that maps aa8conto aabc is a
followed by a
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acer

answer: rolling a number cube and flipping a coin.

step-by-step explanation:

hello,

as   long as they add up to 180 its correct.

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."