GRE
The actual area of region X
150 square kilometers
k
45
$$\frac{r}{t}$$
$$\frac{s}{q}$$
x+y+z
$$\frac{1}{x+y+z}$$
2x-8
x+2
m+5
8-n
$$\frac{1}{2}(x+y)$$
$$\frac{1}{2}$$x + y
R
10
The radius of $$C_1$$
Twice the radius of $$C_2$$
The greatest prime factor of N
15
The percent increase in the dollar value of the antique from 1980 to 1984
56%
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