Solve the problem.If a spring stretches 6 meters when a 7-kilogram weight is attached to it, how much will it stretch when a 21-kilogram weight is attached to it?
A. 20 m
B. 18 m
C. 17 m
D. 21 m
Answer: B
Mathematics
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Identify the type of surface represented by the given equation.
+ 
= 2
A.
| Ellipsoid |
B. Paraboloid
C. Elliptical cylinder
D. Parabolic cylinder
Mathematics
Convert the given unit of measure to its base unit - meters, grams, or liters.0.6 kg
A. 60 g B. 0.0006 g C. 6000 g D. 600 g
Mathematics
Find the indicated term for the sequence.an = (4n - 2)(2n + 6); a6
A. 520 B. 196 C. 288 D. 396
Mathematics
Evaluate the expression.
A. 7 B. 1 C. 0 D. 5040
Mathematics