Express as a single logarithm, and, if possible, simplify.4 loga y + 5 loga z
A. loga (y4z5)
B. loga (4y5z)
C. loga (yz)9
D. loga (y5z4)
Answer: A
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Solve the problem.Suppose G is a graph with 39 vertices and 38 edges. Then
A. G is either a tree or it is not connected. B. G must be a tree. C. G cannot have any circuits. D. G cannot have more than one path joining any two vertices. E. none of these
The number line in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported.
Germany's net exports are represented by a positive integer. Explain what this tells you about imports and exports of Germany.
A. Germany's exports exceed imports by 35 billion dollars. B. Germany's imports exceed exports by 35 billion dollars. C. Germany's total imports are 35 billion dollars. D. Germany's total exports are 35 billion dollars.
Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 7; r = -2
A. a5 = -56; an = 7 ? (-2)n B. a5 = 112; an = 7 ? (-2)n C. a5 = -56; an = 7 ? (-2)n-1 D. a5 = 112; an = 7 ? (-2)n-1