Evaluate –x + 2.7 for x = 0.9.
a. –1.8
b. –3.6
c. 1.8
d. 3.6

Step-by-step explanation:

Here we need to evaluate –x + 2.7 for x = 0.9.

That is f(x) = –x + 2.7 and we need to find f(0.9).

                f(x) = –x + 2.7

                f(0.9) = –0.9 + 2.7

                f(0.9) =  2.7 - 0.9

                f(0.9) = 1.8

Option C is the correct answer.

answer: for each 3 girls there is 2 boys . 3: 2

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