Multiply. Write your answer in a + bi form.(8 + 5i)(6 - 4i)
A. 28 + 62i
B. 68 + 2i
C. 68 - 2i
D. -20i2 - 2i + 48
Answer: C
Mathematics
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Solve the quadratic equation using the quadratic formula.64x2 - 48x + 9 = 0
A. 
B. 
C. 
D. 
Mathematics
Compute r, the linear coefficient of correlation, for the given data.
A. -0.081 B. 0 C. 0.754 D. -0.775
Mathematics
Write the decimal as a fraction or mixed number. Simplify, if possible.0.598
A. 
B. 
C. 
D. 
Mathematics
Find the opposite, or additive inverse.
A. 
B. - 
C. 4
D. -4
Mathematics