Solve the problem.A laminated lab bench has 1
inches of plywood, 2
inches of pressed board, and 
inches of formica. What is the thickness of the lab bench?
A. 1
in.
B. 
in.
C. 5
in.
D. 
in.
Answer: C
Mathematics
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Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Provide an appropriate response.For x2 + xy + yz + z2 = 6, the partial derivative 
evaluated at x = 1, y = 2, z = 1 is
A. - 
B. -1
C. - 
D. - 
E. - 
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.12y2 + 54y - 30
A. 6(2y + 1)(y - 5) B. (12y - 6)(y + 5) C. 6(2y - 1)(y + 5) D. prime
Mathematics
Simplify, where possible.3(x + 2 + 2y)
A. 3x + 2 + 2y B. x + 6 + 6y C. 3x + 6 + 6y D. 3x + 6 + 2y
Mathematics