Solve the equation by factoring.x(x + 4) = 32
A. {-8, 4}
B. {8, 4}
C. {8, -4}
D. {-8, -4}
Answer: A
Mathematics
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Solve the problem.Tell the place value of the digit 5 in the number 74.599.
A. ones B. thousandths C. tenths D. hundredths
Mathematics
Evaluate the expression.
A. ±9 B. 9 C. 0 D. -9
Mathematics
Determine the given complex number raised to a power and write the answer in rectangular form.(-3 + 3i
)3
A. 27
B. 27 + 9i
C. -3 + 3i
D. 216
Mathematics
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 0.94 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to four decimal places.
A. -0.0269 B. -3.0269 C. 2.9731 D. 0.9731
Mathematics