Factor the square of the binomial.x2 + 40x + 400
A. (x + 20)(x - 20)
B. (x + 20)2
C. (x + 40)(x - 40)
D. (x - 20)2
Answer: B
Mathematics
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Solve the problem.Find the volume of the solid that is generated by revolving the area bounded by the 
the curve 
and 
about the x-axis.
A. 
ln 
B. 
? ln 
C. 
? ln 
D. 7? ln 
Mathematics
Solve for the variable.
x - 
x = 3
A. x = 90 B. x = -45 C. x = 45 D. x = -90
Mathematics
Estimate the sum or difference by first rounding each value to the indicated place value.55.017 - 1.8911
round each to the nearest one
A. 53 .2 B. 53 C. 53 .1 D. 54
Mathematics
Use the end behavior of the graph of the polynomial function to determine whether the degree is even or odd and determine whether the leading coefficient is positive or negative.
A. even; positive B. odd; positive C. even; negative D. odd; negative
Mathematics