Find the LCD for the given rational expressions.

A. (x - 3)(x - 4)
B. (x - 4)(x - 5)
C. (x + 3)(x + 4)(x - 5)
D. (x - 3)(x - 4)(x - 5)


Answer: D

Mathematics

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The following table shows federal expenditures M, in billions of dollars, on national defense t years after 2004.  t 0 2 3 4 M 455.76 495.88 521.23 551.68A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression equation.D: What expenditure does the regression line predict for 2012?

What will be an ideal response?

Mathematics

Write as a percent.0.00841

A. 0.000841% B. 0.841% C. 0.0841% D. 0.4205%

Mathematics

Use the properties of logarithms to evaluate the expression.logaa9

A. 1 B. a9 C. 9 D. 9loga a

Mathematics

Determine whether the following matrix is in row-echelon form. If it is, determine if it is also in reduced row-echelon form. ? ? ?

A. Row-echelon form B. Not in row-echelon form C. Reduced row-echelon form

Mathematics