Solve the equation.(x - 7)2 = -144
A. {-7 - 12i, -7 + 12i}
B. 
C. {7i - 12, 7i + 12}
D. {7 - 12i, 7 + 12i}
Answer: D
Mathematics
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Solve the system of equations by the elimination method.
x - 
y = -18
x + 
y = -9
A. (-12, 0) B. (0, 12) C. (0, -12) D. (12, 0)
Mathematics
Solve the problem. Round to the nearest cent.The unpaid balance in an account on November 1 was $155. A payment of 
was made on November 8. The finance charge rate was 
per month of the average daily balance. Find the finance charge for the month of November.
A. $2.86 B. $1.28 C. $1.16 D. $1.30
Mathematics
Find the torsion of the space curve.r(t) = (6t sin t + 6 cos t)i + (6t cos t) - 6 sin t)j - 5k
A. ? = -1 B. ? = 1 C. Undefined D. ? = 0
Mathematics
Multiply.- 
? (-16)
A. 2
B. 
C. - 
D. -2
Mathematics