Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 32 pounds of feed worth 
per pound by mixing one kind worth 
per pound with another worth 
per pound. How many pounds of the cheaper kind should they use in the mix? (Round to the nearest whole number)
A. 14 pounds
B. 18 pounds
C. 23 pounds
D. 16 pounds
Answer: A
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Evaluate. Assume that all variables represent positive numbers. |4.1|
A. 0 B. 4.1 C. 8.2 D. -4.1
Solve the problem.The highest point in a country x is 3204 feet above sea level. The lowest point in that same country is 73 feet below sea level. What is the difference in elevation between the highest and lowest points?
A. 3131 ft B. -3131 ft C. -3277 ft D. 3277 ft
Find an equation for the line, in the indicated form, with the given properties. Containing the points (-6, 0) and (5, 8); general form
A. 8x - 11y = -48 B. 6x + 3y = 6 C. -8x - 11y = -48 D. -6x - 3y = 6
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-3, 1); Decreasing on (-5, -3) and (0, 5); Constant on (1, 2) B. Increasing on (-3, 0); Decreasing on (-5, -3) and (2, 5); Constant on (0, 2) C. Increasing on (-3, -1); Decreasing on (-5, -2) and (2, 4); Constant on (-1, 2) D. Increasing on (-5, -3) and (2, 5); Decreasing on (-3, 0); Constant on (0, 2)