Add or subtract vertically.Add 5x9 + 3x8 + 7x7 + 6 and 4x9 + 5x8 + 4x7 + 7.
A. 28x48 + 13
B. 9x9 + 8x8 + 11x7 + 13
C. 11x9 + 11x8 + 12x7 + 7
D. 9x18 + 8x16 + 11x14 + 13
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Find the derivative of the function.y = ln (4 + x2)
A. 
B. 
C. 
D. 
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Predict the display a calculator would give for the expression shown in the screen. 8560000000000
A. 85.6E13 B. 8.56E-12 C. 85.6E-13 D. 8.56E12
Mathematics
Provide an appropriate response.When any nonzero number is divided by 1, the result is 
.
A. impossible to compute B. 1 C. the nonzero number D. 0
Mathematics