Solve the equation.4 + (b + 6) = 12
A. b = 2
B. b = 3
C. b = 1
D. b = 4
Answer: A
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Parametrize the surface S.S is the portion of the plane -5x - 6y + 8z = 2 that lies within the cylinder 
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What will be an ideal response?
Write the expression using a multiple of a logarithm.log 9 x9
A. log 9 9x B. 9 log 9 x C. log 9 9 D. log 9 9 ? log 9 x
Factor completely.125a3 - 64b3
A. (125a - 4b)(a2 + 20ab + 16b2) B. (5a + 4b2)(25a2 - 20ab + 16b2) C. (5a - 4b)(25a2 + 20ab + 16b2) D. (5a - 4b)(25a2 + 16b2)
Write the best-fit linear model for the data.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Find a linear function that approximates a student's course grade as a function of the number of hours spent in lab. Number of hours spent in lab Grade (percent) 
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