Find the product of the complex number and its conjugate.-1 + i
A. -48
B. -6
C. 8
D. 50
Answer: C
Mathematics
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?The number 
is an element in which of the following sets?
A. ?Whole Numbers B. ?Irrational Numbers C. ?Rational Numbers D. ?Numbers < 0.2 E. ?All of the above
Mathematics
Simplify, if possible, by combining like terms.9a + 7b + 4a
A. 13a + 7b B. 13a + 4b C. 13a + 7 D. 20ab
Mathematics
Solve the equation for the indicated variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Mathematics
Write the improper fraction as a mixed number in simplest form.
A. 17
B. 16
C. 15
D. 
Mathematics