Write a numerical expression for the phrase and simplify it.Three-eighths of the sum of -4 and -12.
A. 
+ [(-4) + (-12)]; 1
B. 
[(-4) + (-12)]; -12
C. (3 + 8)(-4) + (-12); -56
D. 
[(-4) + (-12)]; -6
Answer: D
Mathematics
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Find the difference.8.802 - 4.316
A. 13.118 B. 4.586 C. 4.486 D. 12.118
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Provide an appropriate response.You are asked to change 
to a mixed number. What should be your first step?
A. Add 30 and 11. B. Multiply 30 and 11. C. Divide 11 by 30. D. Divide 30 by 11.
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Combine like terms.5x2 - 8x + 2 + 6x - 7 + 5x2
A. 10x2 - 2x - 5 B. 7x2 + 11x - 15 C. 3x3 D. 10x4 - 2x2 - 5
Mathematics
State whether the function is a probability mass function or not.f(x) = 
x, for x = -2, 4, 7, 11
A. No B. Yes
Mathematics