Determine whether the argument is valid or invalid.p ? ~q
p ? q
A. Invalid
B. Valid
Answer: A
Mathematics
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Solve the problem.If the voltage, V, in an electric circuit is held constant, then the current, I, is inversely proportional to the resistance, R. If the current is 200 milliamperes (mA) when the resistance is 2 ohms, find the current when the resistance is 10 ohms.
A. 995 mA B. 80 mA C. 40 mA D. 1000 mA
Mathematics
Solve the problem.In the following formula, f(x) is the minimum number of hours of studying required to attain a test score of x: 
At least how many hours of study are needed to score 94 on the test? Round to the nearest hundredth.
A. 47.70 hr B. 4.77 hr C. 14.51 hr D. 100.15 hr
Mathematics
Simplify.
A. 
B. 
C. 30
D. 
Mathematics
Evaluate the expression.|-23|
A. -23 B. 23 C. 0 D. 46
Mathematics