Perform the indicated operation. Write the result in the form a + bi.5i(3 - 8i)
A. 15i - 40i2
B. 40+ 15i
C. 15i- 40
D. 15i + 40i2
Answer: B
Mathematics
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Evaluate the determinant.
A. -59 B. -14 C. 14 D. -31
Mathematics
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
< 5
A. (-?, 
) or (1, ?)
B. (-?, -1) or (
, ?)
C. ?
D. (-1, 
)
Mathematics
Add or subtract as indicated.-10 - 19
A. -29 B. -9 C. 9 D. 29
Mathematics
Simplify the exponential expression using the rules for exponents.
-4
A. - 
B. 
C. 
D. - 
Mathematics