Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
+ 
A. 
- 
i
B. - 
- 
i
C. - 
+ 
i
D. 
+ 
i
Answer: B
Mathematics
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Simplify.
A. 36
B. 
C. 1
D. 
Mathematics
Solve the system.
a. a = 3, y = 7
b. 
c. x = 2, y = 3
d. x = 4, y = 3
e. no solution
Mathematics
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x - 7)(x - 6)
A. x2 + 42x - 13 B. x2 - 13x - 13 C. x2 - 14x + 42 D. x2 - 13x + 42
Mathematics
Provide an appropriate response. Find the additive inverse of -13.
A. -13
B. 13
C. - 
D. 
Mathematics