Solve the equation for the specified variable.A = P + PRT; solve for R
A. R = 
B. R = 
C. R = 
D. R = 
Answer: D
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Find the product.(x - 3)(8x2 + x + 9)
A. 8x3 + 23x2 + 6x - 27 B. 8x3 - 23x2 + 6x - 27 C. 8x3 - 25x2 + 6x - 27 D. 8x3 - 23x2 + 12x - 27
Name the quadrant in which the angle ? lies.cot ? < 0, cos ? > 0
A. I B. II C. III D. IV
Solve the problem.A pulley with a diameter of 30 inches is driven by a belt which is moving 1260 feet per minute. To the nearest unit, how many revolutions per minute are made by the pulley?
A. 160 revolutions per min B. 172 revolutions per min C. 265 revolutions per min D. 258 revolutions per min
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 622 with r = 1.7. Write a recursive sequence that describes this data, where an denotes the insect density during year n.Find the terms a1 , a2 , a3 , ...... until you are able to interpret the results.
A. The population density increases by 30% per year. B. The population density decreases by 70% per year. C. The population density increases by 70% per year. D. The population density decreases by 30% per year.