Perform the matrix multiplication.
A. Not defined
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify.12 + 9 ÷ 3 ? 5 - 9
A. 36 B. 18 C. 26 D. 81
Mathematics
Solve.An earthquake was recorded with an intensity which was 
times more powerful than a reference level earthquake, or 
What is the magnitude of this earthquake on the Richter scale (rounded to the nearest tenth)? The magnitude of an earthquake of intensity I is defined as 
, where Io is a minimum level for comparison.
A. 3.9 B. 4.9 C. 0.5 D. 11.3
Mathematics
Convert.44 pints = quarts
A. 176 B. 11 C. 22 D. 88
Mathematics
Determine the terms and degree of the polynomial.2x3 - 9x2 - x + 7
A. Terms: 2x3, 9x2, x, 7; degree: 5 B. Terms: 2x3, -9x2, -x, 7; degree: 3 C. Terms: 2x3, 9x2 , x, 7; degree: 6 D. Terms: 2x3, -9x2, -x, 7; degree: 6
Mathematics