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5 times as many R-Fem. as L-Fems. 9 times as many R-Males as L-Males. Find probability: R-handed student is female.

Deposits $500. Earns 5% interest compounded annually. Find: how many years for balance to double.

Points A and B lie on a circle with radius 1, and arc AB has a length of π/3. What fraction of circumference is arc AB?

C = 5/9(F - 32)

Find: Area of triangle whose vertices are\left(\sqrt{2},0\right), \left(2,\sqrt{10}\right)and\left(5,0\right)

\frac{8-i}{3-2i}If the expression is written in a+bi form, what is the value of a? (i = \sqrt{-1})

Triangle ABC,Angle B = 90 degrees. BC=16; AC=20. Triangle DEF similar to ABC, but each side is 1/3 of ABC. Find sin(F).

The sum of three consecutive even integers equals 72. What is the product of these integers? 

x is avg of m and 9; y is avg. of 2m and 15; z is avg of 3m and 18. What is the average of x, y and z in terms of m?

What is the distance in space between the points with coordinates (-3,6,7) and (2,-1,4)?

Volume of Cylinder:\pi r^2h Volume of Cone: \frac{1}{3}\pi r^2h