Solve the problem.Frank can type a report in 4 hours. James takes 7 hours to type it. How long will it take the two of them typing together?
A. 
hours
B. 
hours
C. 9
hours
D. 2
hours
Answer: D
Mathematics
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Use the given growth rate to find the approximate doubling time and to predict the population in 50 years of a growing suburban town (based on a current population of 100,000).Use the average growth rate between 1850 and 1950, which was about 0.2%.
A. 345 years; population in 50 years = 106,121 B. 350 years; population in 50 years = 110,409 C. 360 years; population in 50 years = 108,244 D. 352 years; population in 50 years = 112,617
Mathematics
Convert the units.73,000 g = 
kg
A. 73 kg B. 0.73 kg C. 73,000,000 kg D. 730 kg
Mathematics
Use a product-to-sum identity to rewrite the expression.sin 
cos 
A. 0.5
B. 0.5
C. 0.5
D. 0.5
Mathematics
Provide an appropriate response.The net decimal equivalent of 25/20/20 is 0.01.
A. True B. False
Mathematics