Find the numerical value of the expression for 
and 
(Round to the nearest thousandth.)
A. a) 175.930 b) 791.683
B. a) 0.091 b) 0.409
C. a) 5.610 b) 25.245
D. a) 19.635 b) 11.220
Answer: C
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Find the volume of the shaded solid. Round your answer to 2 decimal places if necessary. Use ? = 3.14 when necessary.
A. 5.33 m3 B. 2.67 m3 C. 4.53 m3 D. 8.53 m3
Evaluate.4 ? 7 - 82
A. -36 B. 224 C. 420 D. 36
Write the fraction in simplest form. Assume that all variable factors in the denominator are not equal to zero.
A. 
B. 16xy
C. 16x6y2
D. 
Solve the problem.At a local grocery store the demand for ground beef is approximately 50 pounds per week when the price per pound is $4, but is only 40 pounds per week when the price rises to $5.50 per pound. Assuming a linear relationship between the demand x and the price per pound p, express the price as a function of demand. Use this model to predict the demand if the price rises to $5.80 per pound.
A. p = 0.15x + 11.5; 38 pounds B. p = 11.5x + -0.15; 40 pounds C. p = - 0.15x + 11.5; 38 pounds D. p = - 0.15x - 11.5; 40 pounds