Find the following. Assume that letters can represent any real number.
A. Not a real number
B. 8
C. 64
D. -8
Answer: B
Mathematics
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Find the indicated limit or state that it does not exist.
cos 
A. 0
B. 
C. 1
D. No limit
Mathematics
Factor out the GCF from the polynomial.2x2y + 4x
A. xy(2x + 4) B. 2y(x2 + 2x) C. 2x(xy + 2) D. 2x(xy + 2x)
Mathematics
Arrange the three fractions from smallest to largest.
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
Mathematics
Factor the sum or difference of two cubes completely.z9 + 1
A. (z + 1)(z2 - z + 1)(z6 - z3 + 1) B. (z - 1)(z + 1)(z6 - z3 + 1) C. (z3 + 1)(z6 - z3 + 1) D. (z - 1)(z2 + z + 1)(z6 + z3 + 1)
Mathematics