Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest hundred.882
A. 145
B. 1600
C. 200
D. 100
Answer: C
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Solve the problem.When an object weighing 5 pounds is attached to the lowest point P of a spring that hangs vertically, the spring is extended 6 inches. The 5-pound weight is replaced by a 3-pound weight, and the system is allowed to come to equilibrium. The 3-pound weight is then pulled downward another 15 feet and then released. Find the equation of motion. Neglect friction.
A. y = 15 cos 10.328t B. y = 15 cos 1.826t C. y = 15 cos 106.667t D. y = 15 cos 2.981t
Solve the problem.Suppose that four identical equilateral triangles are put together edge to edge to form a new larger equilateral triangle. Find the scale factor 
for the smaller and larger triangles. Find the ratio 
for the smaller and larger triangles. Find the dimension.Remember that dimension, d, is defined by (scale factor)d = 
What will be an ideal response?
Simplify.(x6y)3
A. x18y3 B. x9y C. x9y4 D. x18y
Graph the equation.y = 2x - 6
A. 
B. 
C. 
D. 