Add or subtract.3i + (-4 - i)
A. 4 - 2i
B. 4 - 4i
C. -4 + 4i
D. -4 + 2i
Answer: D
Mathematics
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Solve the problem.Given that 
= 184, use the properties of determinants to evaluate 
.
A. -184 B. 1 C. 0 D. 184
Mathematics
Write the decimal point in the correct location. 
A. 54.8 B. 0.548 C. 5.48 D. 0.0548
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(9x + 5)2
A. 81x2 + 25 B. 9x2 + 25 C. 9x2 + 90x + 25 D. 81x2 + 90x + 25
Mathematics
Find the exact function value.sec 30°
A. 
B. 
C. 
D. 1
Mathematics