Find average for each set of numbers.5, 15, 11, 13, 15, 14, 5, 18
A. 11
B. 13.71
C. 23
D. 12
Answer: D
Mathematics
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -24 B. -9 C. -8 D. -16
Mathematics
Verify the identity.sin(x + y) cos(x - y) = sin x cos x + cos y sin y
What will be an ideal response?
Mathematics
Simplify the expression.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Describe the elements of a 6 × 6 identity matrix.
A. The matrix has ones on the main diagonal and zeroes below the main diagonal. B. The matrix has zeroes on the main diagonal. All other elements are ones. C. All elements of the matrix are ones. D. The matrix has ones on the main diagonal, and all other elements are zero.
Mathematics