Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 48 feet at an initial velocity of 80 feet per second, then its height after t seconds is given by the equation 
, where h is in feet. After how many seconds will the object reach a height of 148 feet?
A. 10 sec
B. 2.5 sec
C. 1.3 sec
D. 5 sec
Answer: B
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Solve.Determine how many Hamilton circuits a complete graph with 28 vertices has.
A. 28! B. 28 C. 282 D. 27!
Provide an appropriate response.Find the standard deviation for the scores:21322825233026282728
A. 3.06 B. 26.8 C. 3.22 D. 10.4
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.2%. Assuming a Malthusian growth model, find the world population in 20 years. Round your answer to the nearest hundredths. ?
A. 121.45 billion B. 7.27 billion C. 7.44 billion D. 55.55 billion E. 7.63 billion
Solve the problem.A shirt company has 4 designs that can be made with short or long sleeves. There are 5 color patterns available. How many different types of shirts are available from this company?
A. 40 types B. 9 types C. 20 types D. 11 types