Simplify.
A. 
B. 1
C. 
D. 36
Answer: C
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Identify the type of surface represented by the given equation. y2 + z2 = 2
A.
| Paraboloid |
B.
| Parabolic cylinder |
C.
| Ellipsoid |
D.
| Cylinder |
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = -3x + 9y
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c > 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines 
c ? 0
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
Provide an appropriate response.The two circles have radii of 10 and 24 respectively. The distance between their centers is 46. What is x, the length of one of their common tangents?
A. 8
B. 2
C. 12
D. 12
Divide. Abbreviate any repeating decimal by placing a bar over the repetend.6.885 ÷ 17
A. 14.05 B. 0.405 C. 4.05 D. 1.405