Find the least common multiple (LCM) of the pair of numbers.7 and 21
A. 147
B. 7
C. 21
D. 28
Answer: C
Mathematics
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Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.m-9m2m-1
A. 
B. m10
C. 
D. m8
Mathematics
Provide an appropriate response.When the numerator is the same as the denominator, for example 
, the fraction is called a(n) 
fraction.
A. whole B. proper C. uncommon D. improper
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. {-135}
Mathematics