Solve the problem.A farmer has 400 feet of fence with which to fence a rectangular plot of land. The plot lies along a river so that only three sides need to be fenced. Estimate the largest area that can be fenced.
A. 24,000 ft2
B. 30,000 ft2
C. 20,000 ft2
D. 16,000 ft2
Answer: C
Mathematics
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Provide an appropriate response.Explain the concept of regrouping using the example shown below.
? 
What will be an ideal response?
Mathematics
Give the answer to the question. Let k be a natural number. ? Is ( - 5 ) 2k + 1 positive or negative? ?
A. positive B. undefinable number C. negative
Mathematics
Find the difference quotient for the function and simplify it.f(x) = x2 - 3x
A. 2x + h B. 2xh + h - 3x C. 2x + h - 3 D. h - 3
Mathematics
Provide an appropriate response.The polynomial 12b6 + 5b4 is called a ? .
Fill in the blank(s) with the appropriate word(s).
Mathematics