Write a signed number for the statement.A climb of 108 feet down into a subterranean cave
A. -108 ft
B. 108 ft
Answer: A
Mathematics
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Perform the indicated operations.(7x - 3y)2
A. 7x2 + 9y2 B. 7x2 - 42xy + 9y2 C. 49x2 - 42xy + 9y2 D. 49x2 + 9y2
Mathematics
Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.{ } ? C
A. False; the elements in the empty set are not the same elements as in U. B. False; the empty set is not a subset of any set. C. True D. False; the empty set is not a subset of U.
Mathematics
Solve the rational equation.
= 1 + 
A. {6, 5}
B. {6, -5}
C. 
D. {-6, 5}
Mathematics
Find the indicated maxima or minima.Minimum of f(x,y) = x2 + y2 - xy,subject to x - y = 10
A. 25 when x = 5, y = 5 B. 7 when x = 2, y = -1 C. 3 when x = 1, y = 2 D. 75 when x = 5, y = -5
Mathematics