Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 757. Find a linear function S(t), which fits this data, and which expresses score as a function of time.
A. S(t) = -3.425t + 517.25
B. S(t) = 3.0825t + 521.25
C. S(t) = 3.0825t - 521.25
D. S(t) = 3.425t + 517.25
Answer: D
Mathematics
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Factor completely.64a3 - 27b3
A. (4a - 3b)(16a2 + 9b2) B. (4a + 3b2)(16a2 - 12ab + 9b2) C. (4a - 3b)(16a2 + 12ab + 9b2) D. (64a - 3b)(a2 + 12ab + 9b2)
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Integrate the function.
dx, x < 8
A. - 
+ C
B. 
+ C
C. - 
+ C
D. 
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Solve the absolute value equation.|5 - 6x| = 7
A. x = - 
, 2
B. x = - 
, 
C. x = - 2, 
D. x = - 
, 
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