Determine if the argument is valid or invalid. Give a reason to justify answer.If it is cold, then you need a coat.You do not need a coat. ? It is not cold.
A. Valid by the law of contraposition
B. Invalid by fallacy of the inverse
C. Invalid by fallacy of the converse
D. Valid by the law of syllogism
Answer: A
Mathematics
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Solve the equation for the specified variable.P = 
for r
A. r = 
B. r = 
C. r = 
D. r = P - tA
Mathematics
Solve.x + 19.4 = 36.19
A. 16.71 B. 16.79 C. 19.91 D. 17.49
Mathematics
Translate the given limit notation into a sentence.
= 2
A. The limit of 
as x approaches 0 from the right equals the number 2.
B. The limit of 
as x approaches 0 equals the number 2.
C. The limit of 
as x approaches 0 from the left equals the number 2.
D. The limit of 
as x approaches 2 equals the number 0.
Mathematics
Solve.7 = 8x - 9
A. 2 B. 12 C. 8 D. 9
Mathematics