Perform the operation and write the result in the standard form.(6 - 
)(4 + 
)
A. 78 - 30i
B. 78 + 30i
C. 2940 + 630i
D. -78 + 30i
Answer: B
Mathematics
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Solve the problem.An initial investment of $1600 is appreciated for 14 years in an account that earns 9% interest, compounded continuously. Find the amount of money in the account at the end of the period.
A. $5640.67 B. $3043.05 C. $7580.35 D. $58,104,804.18
Mathematics
Solve the system of linear equations.
?
What will be an ideal response?
Mathematics
Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
A. 
, 189.5°
B. 
, 9.5°
C. 
, 260.5°
D. 
, 80.5°
Mathematics
Factor the polynomial.16k3m - 54m4
A. 2m(8k - 3m)(k2 + 6km + 9m2) B. 2m(2k + 3m2)(4k2 - 6km + 9km2) C. (4km - 6m2)(4k2 + 9m2) D. 2m(2k - 3m)(4k2 + 6km + 9m2)
Mathematics