GRE
The area of the region enclosed by the pentagon shown
$$\frac{7}{2}S$$
The actual area of region X
150 square kilometers
$$m+5$$
$$8-n$$
$$xy$$
$$yz$$
y-x
10
$$x^{2}+1$$
$$x+\frac{7}{8}$$
The median of the values of the terms in S
81
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