Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
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Determine the values of x for which the function is differentiable.y = 
A. All real numbers except 5 B. All real numbers except 25 C. All real numbers D. All real numbers except -5 and 5
Solve the problem.How much should a retailer mark up his goods so that when he has a 50% off sale, the resulting prices will still reflect a 75% markup (on his cost)?
A. 250% (150% over cost) B. 125% (25% over cost) C. 350% (250% over cost) D. 500% (400% over cost) E. none of these
Use the information given to draw a bar graph. Clearly label the bars. The following table shows the average amount spent per week on groceries by four different families. Make a vertical bar graph to illustrate the data.
What will be an ideal response?
Two cities have latitudes 38 N and 46 S and have approximately the same longitude. If the radius of the Earth is taken as 3960 miles, what is the distance between the cities to the nearest mile?
What will be an ideal response?