by asquaredplusb » Sat Feb 16, 2013 11:37 pm
Four math books need to be shelved together on a shelf containing ten books. How many arrangements are possible?
If [unparseable or potentially dangerous latex formula], find a + b.
The third term of an arithmetic sequence is -2, and the sum of the first fourteen terms is 98. Find the first term.
Myrtle has bins containing 9 flavors of lollipops. In how many ways can she package 5 to sell if she can repeat flavors?
On triangle ABC, AB=16, BC=14, and measure of angle A is 60? There are two possible lengths for AC. The shorter of the two lengths is
Let the region R be bounded in the first quadrant by the x axis, y axis, and the graph of f(x) = sin 2x
The circumference of a great circle on a soap bubble is expanding at a rate of 11 cm/sec. When the radius is 5 cm, the surface area of the soap bubble is changing at a rate of ____ cm^2/sec.
2 workers can paint a fence in three hours. How long would it take five workers to paint a fence twice as long and twice as high if they paint at the same rate?
How many numbers in the form a^4, where a is a positive integer, are factors of (3!)(7!)(9!)?