Solve using the multiplication principle.- 
x = 
A. - 1
B. - 
C. 
D. - 
Answer: D
Mathematics
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Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 12, ? = 180°
A. v = -12i - 12j B. v = -12j C. v = 12j D. v = -12i
Mathematics
Solve the problem.The following chart shows Tech Support Inc. monthly sales by region for each of the first six months of the year.
A. 
B. 
C. 
D. 
Mathematics
Divide.83 ÷ 83
A. 1 B. 0 C. 83 D. undefined
Mathematics
Find the number of terms in the arithmetic sequence.9, 7, 5, . . . , -37
A. 25 B. 23 C. 24 D. 22
Mathematics