Determine if the graph should be modeled by either y = a sin bt + k or y = a cosbt + k , Then find a, b, and k.
Mathematics
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Provide an appropriate response.Subtract the fractions and reduce: 
- 
A. 
B. 
C. 
D. 
Mathematics
Find the angle between the given vectors to the nearest tenth of a degree.u = i + 
j, v = -i + 8j
A. 13.6° B. 68.9° C. 15.3° D. 27.8°
Mathematics
Fill in the table to solve the problem.
A. amount of rain: 7.5 in.; rain per day: 0.6 in. B. amount of rain: 7.5 in.; rain per day: 1.2 in. C. amount of rain: 5.9 in.; rain per day: 1.2 in. D. amount of rain: 5.9 in.; rain per day: 29.5 in.
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors. log5
A. log514 ? 
log5m ÷ log5y
B. log5y - log514 - 
log5x
C. log5(14
) - log5y
D. log514 + 
log5x - log5y
Mathematics