Add or subtract as indicated. Write your answer in the form a + bi.(-5 + 2i) - 3
A. -8 + 2i
B. -2 - 2i
C. -2 + 2i
D. 8 - 2i
Answer: A
Mathematics
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Use mathematical induction to prove the statement is true for all positive integers n.
+ 
+ 
+ . . . + 
= 
What will be an ideal response?
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.49k3m + 42k2m2 + 9km3
A. km(7k + 3m)(7k - 3m) B. km(7k + 3m)2 C. km(7k - 3m)2 D. prime
Mathematics
Solve the problem.Bill is training to run a marathon. The table shows the distance that he ran each day this week. What is the median distance that he ran?
A. 5
mi.
B. 5 mi.
C. 
mi.
D. 4
mi.
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = cos ?Find [g(?)]2.
A. - 
B. 
C. 2
D. 
Mathematics