Simplify. Write your answer in the form a + bi, where a and b are real numbers.(6 - 3i) + (2 + 7i)
A. -8 - 4i
B. -8 + 4i
C. 8 - 4i
D. 8 + 4i
Answer: D
Mathematics
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Express as a difference of logarithms.log10 
A. log 13 - log C - log 10 B. log10 13 - log10 C C. log(13 - C - 10) D. log5 13 - log5 C
Mathematics
Write the mixed number as an improper fraction.-9
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the exact value of the expression.sec
A. 
B. - 
C. - 
D. - 
Mathematics
Use mathematical induction to prove the formula for every positive integer n. Show all your work.
What will be an ideal response?
Mathematics