Add or subtract the following complex numbers.3i + (-5 - i)
A. 5 - 4i
B. 5 - 2i
C. -5 + 2i
D. -5 + 4i
Answer: C
Mathematics
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Factor by grouping.20x6 + 16x3y4 - 15x3y4 - 12y8
A. (4x3 - 3y)(5x3 + 4y8) B. (20x3 - 3y4)(x3 + 4y4) C. (4x3 + 3y4)(5x3 - 4y4) D. (4x3 - 3y4)(5x3 + 4y4)
Mathematics
Factor and simplify the expression.
A. sin x - 1 B. cos2x C. sin x D. sin x + 1
Mathematics
Provide an appropriate response.Does scientific notation allow a negative number to be multiplied by a power of 10?
A. Yes B. No
Mathematics
Solve the problem.Andrea Gilford's savings account has a balance of $94. After 2 years, what will the amount of interest be at 3% compounded quarterly?
A. $-3.21 B. $10.79 C. $1.41 D. $5.79
Mathematics