Solve the problem.Find the value of b for which 1 + eb + e2b + e3b + . . . = 9.
A. ln 
B. ln 
C. ln 
D. ln 
Answer: C
Mathematics
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Tell whether the angle is acute, right, obtuse, or straight.
A. Obtuse B. Right C. Acute D. Straight
Mathematics
Solve the problem.The graph shows the sales of a particular brand of appliance from 1992 to 2010, where 1992 corresponds to 
. Two of the data points in the graph can be represented by the ordered pairs 
and 
Use these ordered pairs to write an equation of a line that models the data. Give the equation in slope-intercept form. 
width="280" /> A. y = 250x + 8750 B. y = 250x + 6000 C. y = 600x + 8750 D. y = 600x + 6000
Mathematics
Solve the problem.If f varies jointly as q2 and h, and f = 64 when q = 4 and h = 2, find k.
A. k = 48 B. k = 2 C. k = 4 D. k = 6
Mathematics
Multiply.(7x)(3x4)(x2)
A. 21x6 B. 10x6 C. 21x7 D. 11x7
Mathematics