Solve the equation.
- 
= 1
A. 
B. {1}
C. 
D. 
Answer: B
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Solve the problem.A child on a swing initially swings through an arc length of 12 meters. The child stops pushing and sits patiently waiting for the swing to stop moving. If friction slows the swing so the length of each arc is 80% of the length of the previous arc, how far will the child have traveled before the swing stops?
A. The child will travel an infinite distance. B. 25 m C. 60 m D. 24 m
Find the center and radius of the sphere.3x2 + 3y2 + 3z2 - 2x + 2y = 9
A. C
, a = 
B. C
, a = 
C. C
, a = 
D. C
, a = 
A delivery truck must deliver packages to 6 different store locations (A, B, C, D, E, and F). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The nearest-neighbor tour starting with vertex A is given by:
A. A, B, C, D, E, F, A. B. A, E, F, C, B, D, A. C. A, C, D, B, E, F, A. D. A, D, F, E, C, B, A. E. none of these
Simplify the product.2(5m + 7)
A. 5m + 14 B. 10m + 14 C. 70m D. 10m + 7