A normal standard trapezoid has 1 pair of parallel sides.
Answer:
A.

B.

C.

Step-by-step explanation:
Part A. The expression
consists of three terms:
The first and the last terms are like terms, we can add them:

Now,

So,

Part B. The expression
is a square of
so

Part C. Use the difference of squares formula:

Answer:
The answer is B.
Step-by-step explanation:
Answer:
294 people
Step-by-step explanation:
Subtract:100%-58%=42%
42%=.42 (Move the decimal to the left to times to be able to find the decimal of a percent.)
Multiply: 700*.42=294
294 people
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