Identify the opposite of the number. +8
A. -8
B. 8
C. 0
D. 
Answer: A
Mathematics
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Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Conservative B. Not conservative
Mathematics
Draw a valid conclusion from the given premises.If it's not Saturday, then Dad will shave. If Dad has whiskers, then he did not shave. If it's Saturday, then Dad will take us to the game.Therefore....
A. If Dad shaves, then it's not Saturday. B. If Dad takes us to the game, then he has whiskers. C. If Dad has whiskers, then he will take us to the game. D. If Dad did not shave, then he has whiskers.
Mathematics
Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Mathematics
Simplify using order of operations.-4 + 6(4 - 9)
A. -10 B. 34 C. -34 D. 10
Mathematics