Combine like terms whenever possible.5y + 8x4y - 8y + 5x4y
A. 13y + 13x4y
B. -3y + 13x4y
C. -6y + 26x4y
D. -3y + 3x4y
Answer: B
Mathematics
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Which property does the expression represent?5 + (2 + 8) = (5 + 2) + 8
A. Commutative Property of Addition B. Associative Property of Addition C. Identity of Multiplication D. Identity of Addition
Mathematics
Graph the function.f(x) = x3 
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the graph.
A. y = -4 cos (2x)
B. y = 4 cos 
C. y = 4 cos (2x)
D. y = 4 sin (2x)
Mathematics
Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. 3x + 8y + 18z = 4 B. 3x - 8y + 9z = 29 C. 3x - 8y + 9z = 4 D. 3x + 8y + 18z = 29
Mathematics