Divide.

A.  - i
B.  + i
C. -  - i
D. -  + i


Answer: B

Mathematics

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Use the formula for  to evaluate the expression.

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Solve the problem using matrices.Ellen wishes to mix candy worth $2.19 per pound with candy worth $7.87 per pound to form 22 pounds of a mixture worth $6.58 per pound. How many pounds of the more expensive candy should she use?

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Mathematics

The manager of TeleStar Cable Service estimates that the total number of subscribers to the service in a certain city t years from now will be ?  ?  Find the average number of cable television subscribers over the next 4 years if this prediction holds true. ? 

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Mathematics