GRE
The coordinate of Z
2.3
$$\frac{x^{3}}{9}$$
$$(\frac{x}{9})^{3}$$
n
10
The average (arithmetic mean) of x+y and x-y
x
The area of the region enclosed by the pentagon shown
$$\frac{7}{2}S$$
x+y+z
$$\frac{1}{x+y+z}$$
$$x$$
$$y$$
The length of arc QRS
The length of arc STP
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