What is meant by data mining, and why must technical analysts be careful not to engage in it?

Calculate the probability of each event for one roll of a number cube. $\\$$1$

Condense the expression. 2 log x - 4 log y

Explain what it means for an event to have a 50-50 chance of happening.

Solve the inequality algebraically. Express your answer using set notation or interval notation. Graph the solution set. Verify your results using a graphing utility.

$$3 x-7>2$$

The Handy Hardware Company has two locations, one downtown and one at the mall. During April, the downtown store sold 31 of the lowestpriced lawn mowers, 42 of the medium-priced mowers, and 18 of the highest priced mowers. Also during April, the mall store sold 22 of the lowest-priced mowers, 25 of the medium-priced mowers, and 11 of the highest-priced mowers.

a. Represent this information in an April sales matrix A.

b. Do the dimensions of your matrix A represent a "mower-type by location", matrix or a "location by mower-type" matrix?

c. Suppose that during May, the Handy downtown store sold 28 of the lowest priced mowers, 29 of the medium-priced ones and 20 of the highest-priced ones, and that the mall store sold 20 lowest-priced ones, 18 medium-priced ones, and 9 highest-priced ones. Represent this information in a May matrix M that has the same dimensions as A.

d. Writing Find A+M and describe what this matrix sum tells you.

e. If the manager of the Handy stores expects next year's lawn mower sales to rise about 8%, about how many highest-priced lawn mowers does the manager expect to sell at the downtown store next April? If you were the manager, would you round your calculations up or down? What scalar multiple of matrix A would assist you in planning next April's sales?

f. Suppose the manager estimates that the total lawn mower sales for next April and May will be given by the matrix 1.09 A+1.15M. What sales increases is the manager expecting for next April? for next May?

Most of the following sentences contain errors in pronoun-antecedent agreement. If a pronoun does not agree with its antecedent, rewrite the sentence to correct the error. If a sentence is already correct, write $C$.

EXAMPLE: Ellen is organizing our senior class picnic, and she needs somebody to bring their grill. Ellen is organizing our senior class picnic, and she needs somebody to bring his or her grill. or Ellen is organizing our senior class picnic, and she needs somebody to bring a grill.

Mr. Johnston and Miss Sidney say that he or she both can chaperon our picnic.

Solve the inequality algebraically. Express your answer using set notation or interval notation. Graph the solution set. Verify your results using a graphing utility.

-2(x+3)<8

Why does the government allow organizations to engage in appearance discrimination?

In developing a model of Earth's deep interior, most of the evidence was derived from

(1) deep wells

(2) mining operations

(3) observation of other planets

(4) seismic data

Explain whether the verb voice used in the sentence is the best choice. If the verb voice needs to be changed, rewrite the sentence.
The dog was covered with mud._____

To what potential should you charge a $2.0\ \mu \text{F}$ capacitor to store $4.0\ \text{J}$ of energy?

On a sheet of paper, use the given term in a sentence 'bailiff'.

Brianna is saving $15 each week to purchase a new tablet for$389.99.

What is the least number of weeks Brianna needs to save?