Answer:

Step-by-step explanation:
we have

step 1
Eliminate the parenthesis

The symbol of the term 3x is incorrect, must be positive instead of negative
so

Group terms that contain the same variable

Combine like terms

Answer:
19.4 liters
Step-by-step explanation:
You get 19.4 by multiplying 9.7 by 2 which = 19.4
Area is length * width
Take the square root of 200 which is approximately 14.14
Answer:
This should help friend:
Step-by-step explanation:
Hope u r well
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Answer:
According to the 180°-rotation rule, you take the OPPOSITE of both the x-coordinate and y-coordinate:
180°: [<em>x</em>, <em>y</em>] → [<em>-x</em>, <em>-y</em>]
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