GRE
$$\frac{1}{2^n}$$
$$\frac{1}{3^n}$$
The sum of the integers from $$29$$ through $$89$$
The sum of the integers from $$32$$ through $$90$$
The area of the rectangular region
$$50$$
The length of $$DE$$
$$34$$
The area of the shaded region
$$2$$
$$5t+4$$
$$0$$
The greatest integer less than $$\frac{m}{n}$$
$$q$$
$$\frac{100}{1+\frac{1}{y}}$$
$$90$$
$$x$$
$$35$$
The length of the third side of the triangle
$$11$$
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