How many gallons of 26% butterfat cream must be mixed with 300 gallons of 2% butterfat milk to obtain a 6% butterfat milk?
?
A. 12 gallons
B. 90 gallons
C. 6 gallons
D. 60 gallons
E. 62 gallons
Answer: D
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Evaluate the spherical coordinate integral.
A. 
?
B. 3?
C. 
?
D. 
?
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3)
Answer as indicated in a complete sentence.The width of a painting in a museum is 4 feet 11 inches. Express this measure in inches.
A. The width of a painting in a museum is 136 inches. B. The width of a painting in a museum is 55 inches. C. The width of a painting in a museum is 15 inches. D. The width of a painting in a museum is 59 inches.
Find the length of the arc intercepted by the given central angle ? in a circle of radius r.? = 6.40, r = 21.15 cm
A. 135.36 cm B. 134.96 cm C. 135.76 cm D. 136.16 cm