Simplify: log ? 3
A) 0 B) 1 C) 3 D) 9
B) 1
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Solve the problem.The equation P = IV cos ? gives the power (in watts) absorbed in an ac circuit. Find ? when P = 110 W, V = 120 V, and I = 1.6 A. Round results to an appropriate number of significant digits.
A. 35° B. 61° C. 55° D. 50°
Find the limit.
A. - 
- 5
B. 
+ 5
C. 6
D. -6
Solve the problem.A right triangular plate of base 6.0 m and height 3.0 m is submerged vertically, as shown below. Find the force on one side of the plate if the top vertex is 1 m below the surface. 
6.0 m
A. 210,000 N B. 180,000 N C. 150,000 N D. 410,000 N
Determine if the argument is valid or invalid. Give a reason to justify answer.If it rains, then the squirrels hide.The squirrels are hiding. ? It is raining.
A. Invalid by fallacy of the inverse B. Valid by disjunctive syllogism C. Valid by the law of contraposition D. Invalid by fallacy of the converse