Provide an appropriate response.Which of the following statements are true?I: If A ? B, then A ? conv B.II: If A ? B, then conv A ? conv B.
A. Neither I or II
B. II
C. I
D. Both I and II
Answer: D
Mathematics
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Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is
. After how many seconds does it reach its maximum height?
A. 8 sec B. 34 sec C. 25.5 sec D. 17 sec
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify.(-i)31
A. -i B. 1 C. i D. -1
Mathematics
Solve using the multiplication principle.144 = -9z
A. 1 B. -153 C. 153 D. -16
Mathematics