Complete the identity. = ?   You may or may not need the following formulas to answer the question.  

Find all natural numbers that can replace b and make the expression factorable. There are multiple answers.  Just give one.3×2 + bx – 8

Use a calculator to approximate the trigonometric function value to THREE decimal places.cot 0.2395

Solve the problem.The sum of the squares of two numbers is 20. The sum of the two numbers is -6. Find the two numbers.   One number: Other number:

Select ALL the trigonometric functions that are undefined for the given value of θ.θ = 354π

A margin call is a request from a brokerage firm for the investor to increase the cash in the account in order to bring the margin back up to the minimum level.

Limit orders can only be placed for a short period of time, usually a week or less.

Which of the following is  not a reason some investors never purchase stock?

The Bigfoot Field Researchers Organization (www.bfro.net) maintains a database of bigfoot/Sasquatch sightings and related reports. According to the BFRO database as of January 2011 the mean number of reports per county in the state of Washington is 12.59 (standard deviation = 14.19). Here are the z-scores for three specific counties: Whitman County: z = -0.89    Cowlitz County: z = -0.03      Skamania County: z = +2.78   Which of these three counties is least representative of the typical county in Washington in terms of the number of Bigfoot reports?

a) What is the main purpose of a z-score (i.e., what does it tell us?)? b) Imagine that your friend tells you her z-score on an extroversion scale is -0.50. What does this mean? Your interpretation of this score does not need to be long, but it should fully explain the score.