Solve. Remember to insert units when writing your answer.One bag of cookies weighs 
oz. How many pounds will 3 bags weigh?
A. 1
lb
B. 1
lb
C. 
lb
D. 21
lb
Answer: B
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = -x(1 - y), y(2) = 2, dx = 0.2
A. y1 = 0.4000, y2 = 1.5080, y3 = 1.9918 B. y1 = 4.0000, y2 = 30.1600, y3 = 39.8368 C. y1 = 2.4000, y2 = 3.0160, y3 = 3.9837 D. y1 = 1.6000, y2 = 6.0320, y3 = 7.9674
Find the polar equation of the given rectangular equation.x2 = 9y
A. r = 9 csc ? cot ?
B. r = 
C. r = 9 sec ? tan ?
D. r = 
Evaluate the improper integral.
A. 
B. 
C. 
D. 
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose third?
A. BD B. EF C. DF D. BF E. none of these