Solve the proportion.
= 
A. y = 3
B. y = 27
C. y = - 33
D. y = 
Answer: B
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Solve the problem.The motion of a spring-mass system is described by the equation 
where y is the distance in feet from the equilibrium position and t is time in seconds. Find the velocity of the mass at time t = 3/4 seconds. Is the mass moving toward or away from its equilibrium position or neither?
A. 0 ft/s; away from equilibrium position B. -4? ft/s; toward from equilibrium position C. 0 ft/s; neither D. 4? ft/s; away from equilibrium position
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.Exactly 2 belong to an ethnic minority.
A. .1990 B. .1929 C. .2156 D. .0028
The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)Find the number of packages 19 pounds and under.
A. 11 packages B. 2 packages C. 5 packages D. 6 packages
The graph of a function f is given. On the same axes, sketch the graph of f-1. 
A. 
B. 