Decide whether the given set of numbers is a group under the given operation.Rational numbers; multiplication
A. Yes
B. No
Answer: B
Mathematics
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Find the value of the derivative.
if y = 4 - 
A. 5 B. 3 C. - 1 D. 1
Mathematics
Divide.
A. 700 R 20 B. 690 C. 680 D. 695 R 12
Mathematics
Write the positive or negative number for the following.They hiked 108 feet below sea level.
A. -108 B. +108
Mathematics
Approximate with a scientific calculator. If necessary, round to four decimal places.antilog (-2.2554)
A. 0.0056 B. 0.1048 C. 0.8133 D. 0.3532
Mathematics