Answer:
15
Step-by-step explanation:
Let us first write an equation where the unknown number is represented with variable x. <em>The sum of a fifth of x and two is five:</em>

Great! Let's solve for x by isolating the variable.

<u>Therefore, the unknown number is 15.</u>
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<em>I hope this helps! Let me know if you have any questions :)</em>
Answer:
2.25
Step-by-step explanation:
The value of point C is already positive, so nothing changes.
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The absolute value function changes negative numbers to positive ones (by multiplying by -1, or reflecting across the origin of the number line).
Answer:
the area of the striped rectangle= length ×breadth