Answer:
49π
Step-by-step explanation:
The formula for the area of a circle is,

If the radius is 7 inches we need to plug that in for r in the formula.
π(7)^2
7*7 = 49
<em>Thus,</em>
<em>the area in terms of pi is 49π.</em>
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<em>Hope this helps :)</em>
Answer: 3 terms
Step-by-step explanation:
each term is separated by the plus or minus symbol
Answer:
The molecules become more active and it expands.
Step-by-step explanation: