Solve. Remember to insert units when writing your answer.In November, 9 tons 1385 lb of coal were delivered to a steel mill. In December, 5 tons 1578 lb were delivered. Find the total amount of coal delivered in these two months.
A. 3 tons 1807 lb
B. 14 tons 963 lb
C. 15 tons 963 lb
D. 4 tons 1807 lb
Answer: C
Mathematics
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Convert the following.7.13 yd3 to cubic feet.
A. 85.56 ft3 B. 21.39 ft3 C. 192.51 ft3 D. 64.17 ft3
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Plot the relation in the xy-plane.{(0, -1.4), (-1.1, 1.5), (-0.8, 0), (0.8, -0.5), (-1, 0.6)}
A. 
B. 
C. 
D. 
Mathematics
Decide whether or not the set of ordered pairs defines a function.{(-3, -6), (2, -8), (6, 6), (8, -4), (12, -1)}
A. Yes B. No
Mathematics
Solve the problem using Bayes' Theorem. Round the answer to the nearest hundredth, if necessary.For mutually exclusive events X1, X2, and X3, let P(X1) = .50, 
and 
Also, 
P(Y|X2) = .30, and P(Y|X3) = .60. Find P(X2|Y).
A. .42 B. .48 C. .31 D. .21
Mathematics