Write the complex number in standard polar form. Write the argument in radians using exact values.z = - 2
- 2i
A. 2
B. 2
C. 4
D. 4
Answer: C
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My business pays tax on income, and the tax paid is a linear function of income. If my income is $10420 then the tax owed is $929.60. If my income is $11309 then the tax owed is $1000.72. How much tax do I owe if my income is $11874? ?
A. $1045.92 B. $1046.18 C. $949.92 D. $950.03
The speed for certain animals is related to the stride length by a power function. It is observed that if the stride length is doubled, the speed increases by a factor of 2.33. What is the value of the power k for this power function? Round your answer to two decimal places if necessary. ?
A. 
B. 
C. 
D. 
Solve the problem.How many different three-digit numbers can be written using digits from the set {1, 2, 3, 4, 5} without any repeating digits?
A. 60 B. 20 C. 120 D. 10
Simplify by combining like terms.-7x + (-5x)
A. -12x B. 12x C. -2x D. 2x