GRE
The amount of interest earned by the two deposits from May 1, 1994, to May 1,1996
$900
$$\frac{7a_{10}}{10a_{9}}$$
1
The area of a circular region with circumference 10
9
$$\frac{(a+b)^{2}-b^{2}}{a+2b}$$
$$a$$
The area of a circular region with radius 3r
45π
$$p$$
$$1-p$$
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