Solve the equation by the method of your choice. Simplify irrational solutions, if possible.4x2 + 8x + 1 = 0
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.Divide: 
A. 7x + 9y B. 5x + 7y C. 7x - 9y D. 5x - 7y
Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 5 sec of fall and the speed at the instant 
A. 80 ft/sec; 160 ft/sec B. 160 ft/sec; 81 ft/sec C. 40 ft/sec; 80 ft/sec D. 81 ft/sec; 162 ft/sec
Solve the problem.The foundation for a cylindrical fountain is a cylinder with a diameter of 22 ft and 5 ft high. How many cubic ft of concrete are needed to build the foundation (to the nearest hundredth)?
A. 7598.80 ft3 B. 3799.40 ft3 C. 690.80 ft3 D. 1899.70 ft3
Change to an equivalent expression involving a logarithm.4x = 21
A. log4 x = 21 B. log21 4 = x C. log21 x = 4 D. log4 21 = x