Express the statement as an equation involving the indicated variables.The surface area S of a cube is 6 times the square of the length x of a side.
A. S = x2
B. S = 6x2
C. S = 6x
D. S = 6 + x2
Answer: B
Mathematics
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Find the dot product for the pair of vectors.i + 3j, 8i - j
A. 5 B. -5 C. 11 D. 0
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Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers. 
A. (-6, -8); quadrant IV B. (-6, -8); quadrant III C. (-6, -4); quadrant IV D. (-6, -4); quadrant III
Mathematics
Find fx.f(x, y) = x19 - 5x3y23 + 4y-7
A. 19x18 - 5x3y23 + 4y-7 B. 19x18 - 15x2y23 C. 19x18 - 15x3y22 - 28y-8 D. 19x18 - 15x3y23
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. x + 3y = -8-14x - 4y = -2
A. (-3, 1) B. (-1, 3) C. (3, -1) D. (1, -3)
Mathematics