Solve.The textbook for a history class costs $42. There are 24 students in the class. What is the total cost of the history books for the class?
A. $966
B. $1008
C. $66
D. $984
Answer: B
Mathematics
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Provide an appropriate response.Explain the error in the following: x2 + 2x - 15 = (x - 5)(x + 3).
What will be an ideal response?
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Divide.
A. 5 - 2i B. -2 - 5i C. -2 + 5i D. 5 + 2i
Mathematics
Find the absolute extremum within the specified domain.Maximum of f(x) = (x + 1)2(x - 2); [-2, 1]
A. (2, 0) B. (-1, 0) C. None D. (-2, 1)
Mathematics
List all the elements of B that belong to the given set.B = {16, 
, -13, 0, 
, , 0.62, -7?, 0.161616...}Irrational numbers
A. 
B. {
}
C. {
, -7?}
D. {
, -7?, 0.161616...}
Mathematics