Decide if the answer is reasonable or unreasonable by using front end to estimate the answer. If the exact answer is not reasonable, find the correct answer.2237.8 ÷ 21.5 = 10.41
A. Unreasonable, should be 1041
B. Reasonable
C. Unreasonable, should be 104.1
D. Unreasonable, should be 1.041
Answer: C
Mathematics
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Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = 
,B = 
A. B = A-1 B. B ? A-1
Mathematics
Determine any local or absolute extrema as indicated.Use the graph of f to estimate the absolute extrema.
A. Absolute maximum: 0; absolute minima: -2 and 2 B. Absolute maximum: ?; absolute minima: -2 and 2 C. Absolute maximum: ?; absolute minimum: -4 D. No absolute maximum; absolute minimum: -4
Mathematics
Solve the system. -4x - 3y = 5 -8x - 6y = 8
A. {(5, 8)}
B. ?
C. {(2, 2)}
D. 
Mathematics
Graph the fraction on a number line.
A. 
B. 
C. 
D. 
Mathematics