Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9 members? Assume that no member can hold more than one office.
A. 126
B. 36
C. 3024
D. 24
Answer: C
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Answer the question.You are hiking on a mountainside, following a trail that slopes downward for a short distance and then begins to climb again. At the bottom of this local "dip", what can be said about the relationship between the trail's direction and the contour of the mountainside? [Hint - Think of the trail as a constrained path, g(x, y) = c, on the mountainside's surface, altitude = f(x, y). Consider only infinitesimal displacements.]
A. At the bottom of the dip, the trail is headed in the direction of the mountain's steepest ascent. B. The mountainside rises in all directions relative to the dip. C. At the bottom of the dip, the trail is headed perpendicular to the mountain's contour line which passes through that point. D. At the bottom of the dip, the trail is headed along the mountain's contour line which passes through that point.
Write the number as indicated.A company had net revenues of $7,500,295 in one year. Write the number in words.
A. Seven million, fifty thousand, two hundred ninety-five dollars B. Seven million, five hundred thousand, two thousand ninety-five dollars C. Seven million, five thousand, two hundred ninety-five dollars D. Seven million, five hundred thousand, two hundred ninety-five dollars
-10w + 2 = -3 + 2w
A. 
B. - 
C. 8
D. 
Solve the equation.
= 
A. 
B. ?
C. {0}
D. {10}