Simplify $/frac{x^2+2x^4+3x^6 + ... + 1005x^{2010}}{2x+4x^3+6x^5 + ... + 2010x^{2009}}$.

A new secretary has been given n computer passwords, only one of which will permit access to a computer file. Because the secretary has no idea which password is correct, he chooses one of the passwords at random and tries it.

During an experiment, Roscoe tossed a fair coin 10 times and 6 times the coin landed showing heads. What is the probability the coin will land showing heads on Roscoe's next toss?

Simplify the expression for 3 [ (11-6) ^2:5]

Data on the blood cholesterol levels of 10 rats (milligrams per deciliter of blood) give x = 85 and s = 12. A 99% confidence interval for the mean blood cholesterol of rats is

What is the value of 5x + 3 when x = 4? 9 12 23 60

Disadvantage to using tables and diagrams

Solve the equation. check your ans.

In 2015 there were approximately 33,300 firearm fatalities (homicide and suicides) Express the quality in deaths per hour

What is the general solution for (cosX + sinX) (1 - 2sinX) = 0

Sam used 2 gallons of gas to drive 50 miles and 4 gallons of gas to drive 100 miles. Is this a proportional relationship? Explain your reasoning.