Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 1.5 kilometers per hour
B. 2 kilometers per hour
C. 3.5 kilometers per hour
D. 2.5 kilometers per hour
Answer: A
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Find the center of mass of the particles with the given masses located at the given points.3.3 at (1.9, 0), 5.9 at (4.2, 0), 7.0 at (3.1, 0)
A. 
= 1.6, 
= 0
B. 
= 1.8, 
= 0
C. 
= 5.7, 
= 0
D. 
= 3.3, 
= 0
Provide an appropriate response.The golden ratio is an example of the use of
A. multiplication. B. proportion. C. perspective. D. symmetry.
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.? = 44°10', b = 8.47, a = 29.15
A. ? = 43°5', ? = 94°45', c = 39.1 B. ? = 42°5', ? = 93°45', c = 37.6 C. ? = 40°5', ? = 95°45', c = 34.6 D. No solution