Solve the equation.10 - 
= 5
A. 
B. {-5, 5}
C. 
D. no real solution
Answer: C
Mathematics
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Solve the equation.6r + 6 = 30
A. 18 B. 4 C. 22 D. 1
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 8 + 3i
A. 
= 8 - 3i, z
= 64 - 9i2
B. 
= 8 - 3i, z
= 73
C. 
= 8 - 3i, z
= 55
D. 
= 8 - 3i, z
= 64 - 9i
Mathematics
Find a ? b.a = 5i + 4j, b = -5i + 3j
A. 
B. 37
C. -13
D. 
Mathematics
Simplify the expression.
- 
? 
A. -1
B. - 
C. - 
D. - 
Mathematics