The premises A, B, and C are followed by a conclusion. Check whether the resulting argument is valid or invalid.A. All people who laugh have fun.B. All people who have fun are content.C. Some people who stay up all night are content.Some people who have fun stay up all night.
A. Valid
B. Invalid
Answer: B
Mathematics
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Solve.
= -1
A. 1 B. 4 C. -1 D. No solution
Mathematics
Determine whether a scalar or a vector is described.weight of an object
A. Vector B. Scalar
Mathematics
Determine whether the graph of the given equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.x2 + y2 = 9
A. y-axis, origin B. Origin C. x-axis, y-axis, origin D. x-axis
Mathematics
Solve the problem.In order to drive your boat to a friend's dock, you must drive 3 miles south and then 5 miles east. If you could go directly to your friend's dock in your boat, how long would the boat trip be? Round to the nearest tenth of a mile when appropriate. 
A. 2.8 mi B. 17 mi C. 5.8 mi D. 3.7 mi
Mathematics