Solve using the multiplication principle.9b = -153
A. 162
B. -162
C. 1
D. -17
Answer: D
Mathematics
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Find zw or 
as specified. Leave your answer in polar form.z = 6
w = 12
Find zw.
A. 36
B. 36
C. 72
D. 72
Mathematics
Find the sum Sn of the first n terms of the geometric sequence. 
, 
, 
, . . . ; n = 5
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose the sales of a particular brand of appliance are modeled by the linear function 
, where S(x) represents the number of sales in year x, with 
corresponding to 1982. Find the number of sales in 1993.
A. 6000 sales B. 12,120 sales C. 12,240 sales D. 6120 sales
Mathematics
Solve the problem.If k = 
and k2 - 5k = 6, find x.
A. 
B. 
C. 
D. 
Mathematics