Multiply. Simplify if possible.
? 
A. 15
B. 
C. 
D. 
Answer: B
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Use the method of writing each premise in symbols in order to arrive at a valid conclusion.If you pay your taxes, then you are a good citizen.People who do not pay their taxes did not receive a tax bill.If it is April, then you will receive a tax bill.It is April.Therefore, ...
A. You are not a good citizen. B. You are a good citizen. C. You did not pay your taxes. D. You did not receive a tax bill.
Write the expression in the standard form a + bi.If z = 4 - 6i and w = 2 + 2i, evaluate 
.
A. 2 + 8i B. 6 - 4i C. 6 + 4i D. -6 + 4i
Solve.The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke0.07t where k is a constant and t is the time in years. If the current population is 16,000, in how many years is the population expected to be 40,000? (Round to the nearest year.)
A. 7 yr B. 13 yr C. 6 yr D. 81 yr
Identify the greatest common factor.5x2 + 10x
A. 5x B. 10x C. 5 D. 5x2