The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 8 sin t - cos tFind the body's velocity at time t = ?/4 sec.
A. 
m/sec
B. 
m/sec
C. - 
m/sec
D. - 
m/sec
Answer: A
Mathematics
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Determine the value that is excluded as a possible solution to the rational equation: 
= 
A. x ? -3 B. x ? 2 C. x ? -6 D. x ? 1
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Solve the problem.May planted 145 tulip bulbs in 5 hours and June planted 150 in 6 hours. Compare the ratios. Which person planted the most per hour? How many per hour?
A. June, 29 B. May, 29 C. May, 25 D. June, 25
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Provide an appropriate response.Here are the prices for 8 different MP3 players. Find the standard deviation. $195$358$201$276$161$301$387$128Round to one decimal place.
A. 94.1 B. 329.5 C. 238.5 D. 144.5
Mathematics
Find the exact value of the logarithmic expression.log101
A. 
B. 10
C. 1
D. 0
Mathematics