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As a manager of a shop, you have an access to the past sales data, which indicates that the average daily sales is $800 with the standard deviation $120. 

Compute E[XY]. 

Translate each sentence into an equation and solve the resulting equation. Show your work on your worksheet to earn full credit. Three times a number plus fifteen is one hundred twenty-five.{“version”:”1.1″,”math”:”Three times a number plus fifteen is one hundred twenty-five.”} _______ Solve the resulting equation. Show your work on your worksheet to earn full credit. _______

In a class of 40 students, 25 students study Mathematics, 18 study Physics, and 10 study both subjects. What is the probability that a randomly selected person studies at least one of the two subjects? Provide three digits after the decimal point. Show your work on the scratch paper.

Simplify the expression. Use the distributive property to remove the parentheses. Remember to combine like terms whenever possible. 12z+3(z+6)+z{“version”:”1.1″,”math”:”12z+3(z+6)+z”} _______

Simplify the following expression. 2x+5x-10x-12+5{“version”:”1.1″,”math”:”2x+5x-10x-12+5″} You must write your answer on your worksheet and upload your worksheets after you submit your test. _______

Identify the first step to create a responsive web table that relies only on CSS

A default value need not be specified; the text area box can be left empty or the placeholder attribute can be used to provide a hint to users about what to enter into the text box

A network that covers a wider area, such as several buildings or cities, is called a wide area network or WAN

HTML supports three row groups, which define rows that belong to the table head, table border, or table body