Identify the like terms in the polynomial.6z3 - 5z4 - 2z2 + 7z4 + 4z3 + 8
A. -5z4 and 7z4; 6z3 and 4z3; -2z2 and 8
B. None of the terms are like.
C. -5z4 and 7z4; 6z3 and 4z3
D. z4, z3, z2, and 8
Answer: C
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Solve the problem.A developer wants to build 10 houses each of a different design. In how many ways can she decide which houses will be on the north side of the street and which on the south side if 3 of the 10 houses are to be on the north side and the remainder on the south side?
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Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 12tk
A. T = 
i + 
j - 
k
B. T = 
i + 
j - 
k
C. T = 
i + 
j - 
k
D. T = 
i + 
j - 
k
Solve the problem.Find the volume of the solid bounded by the paraboloid 
+ 
= 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab)
A. 
units3
B. 
? units3
C. 27? units3
D. 
?2 units3