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. If the weight is 18 feet from the ceiling in a state of equilibrium, find the closest the weight will ever be to the ceiling.
A. 13 ft
B. 18 ft
C. 5 ft
D. 23 ft
Answer: A
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Evaluate the integral.
A. - 
+ 
tan-1 
+ C
B. - 
+ 
ln
+ C
C. - 
+ 
tan-1
+ C
D. 
+ 3tan-1
+ C
Solve the problem.The current in the circuit is 9.55 mA. Determine the phase angle for the combination of the capacitor, resistor, and inductor. XC = 1550 ? R = 1700 ? XL = 2200 ? 
?? I
A. ? = -17.88° B. ? = 0.37° C. ? = 20.92° D. ? = 65.61°
Assign as indicated using the Huntington-Hill method.A health club instructor has a course load that allows her to teach seven two-credit hour classes. A pre-registration survey indicates the following interests:54 want to take high-impact aerobics28 want to take low-impact aerobics14 want to take jazzercise7 want to take step exerciseAssume that the instructor will teach at least one class for each activity. Apportion the remaining three classes.
A. One each of high-impact aerobics, low-impact aerobics, and step exercise B. One each of high-impact aerobics, low-impact aerobics, and jazzercise C. Two of high-impact aerobics and one of low-impact aerobics D. One of high-impact aerobics and two of low-impact aerobics
Write the decimal as a fraction or mixed number in lowest terms.0.5
A. 
B. 
C. 
D. 