A furniture dealer purchased a desk for $150 and then setthe selling price equal to the purchase price plus a markup that was 40 percent of the sellingprice. If the dealer sold the desk atthe selling price, what was the amount of the dealer's gross profit from thepurchase and the sale of the desk?

$$\frac{1+0.0001}{0.04+10}$$

The value of theexpression above is closest to which of the following?

If ~$xy=1$~, what is the value of ~$\frac{2^{\left ( x+y \right )^{2}}}{2^{\left ( x-y \right )^{2}}}$~ ?

38, 69, 22, 73, 31, 47, 13, 82

Which of the following numbers is greater than three-fourths of the numbers but less than one-fourth of the numbers in the list above?

There are 10 childrenin a company's day-care center, and a pair of children is to be selected toplay a game. At most, how many differentpairs are possible?

If ~$a> b> 0$~, then ~$\sqrt{a^{2}-b^{2}}$~ =

In a certain game,the units of currency of three countries are the crown, the shield, and thepound, respectively. If 2 crowns equal 3shields and 3 shields equal 4 pounds, how many crowns equal 18 pounds?

For the 5 days shown in the graph, how many kilowatt-hours greater was the median daily electricity use than the average (arithmetic mean) daily electricity use?

The formula F = ~$\frac{9c}{5}+32$~ gives the relationship between thetemperature in degrees Fahrenheit, F, and the temperature given in degreesCelsius, C. If the temperature is 85degrees Fahrenheit, what is the temperature, to the nearest degree, in degreesCelsius?

If a = 1 and b = -2,then ~$\left ( 2a^{2} +b\right )\left ( x+y \right )+\left ( a+b \right )\left ( x-y \right )$~ =