Solve the equation.-8b + 3 + 6b = -3b + 8
A. -3
B. 5
C. -8
D. 8
Answer: B
Mathematics
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Solve.In the study of alternating electric current, capacitive voltage is given by 
, where f is the number of cycles per second, i is the maximum current, and t is the time in seconds. Solve the equation for t.
A. t = 2?f cos 
B. t = 
arccos 
C. t = 2?f arccos 
D. t = 
arccos 
Mathematics
Divide. Simplify if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Plot a scatter diagram.Draw a scatter diagram of the given data. Find the equation of the line containing the points 
and 
Graph the line on the scatter diagram.
A. y = -2.47x + 13.3
B. y = -2.25x + 12.8
C. y = 2.25x + 12.8
D. y = -2x + 11.7
Mathematics
Complete.27 qt = gal
A. 13
B. 24
C. 54
D. 6
Mathematics