Find the LCM.r2 + 18r + 81 , r2 + 9r
A. r(r + 1)(r + 9)
B. r(r + 9)2
C. (r + 9)2
D. r(r + 9)
Answer: B
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Use the figure below to answer the following question(s).
Which of the following statements is true?
A. The graph has an Euler circuit. B. The graph has an Euler path from vertex A to vertex F. C. The graph has an Euler path from vertex A to vertex D. D. All of these are true. E. None of these are true.
Solve the problem.If an object is dropped from a tower of unknown height, the velocity of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Therefore, you can express V as a linear function of t. Find the domain of this function.
A. [1, 4] B. (-?, ?) C. [0, ?) D. (-1, ?)
Solve the following systems of linear equations using Gaussian elimination.
-2x - 2y - z = - 13 2x + y + z = 14 3c + y + 2z = 25 What will be an ideal response?
Solve.3.3(1.1x - 1.3) - 2.63x + 5.9 = -4.6
A. 14.79 B. -6.21 C. -2.99 D. 5.59