Solve.If y varies directly with x and inversely as z and y = 12 when x = 6 and z = 4, find y when x = 7 and z = 14.
A. 8
B. 5
C. 2
D. 4
Answer: D
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Determine whether the statement is true or false.All prime numbers are odd.
A. True B. False
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 5 sin (5t)
A. simple harmonic; 5 m; 
? sec; 
oscillations/sec
B. simple harmonic; 5 m; 5 ? sec; 
oscillations/sec
C. simple harmonic; 5 m; 
sec; 
? oscillations/sec
D. simple harmonic; -5 m; 
? sec; 
oscillations/sec
Simplify, if possible. If the answer is undefined, state so.
A. 6
B. - 6
C. 
D. - 
Solve the problem.Julio figures that he can save $5000 per year. If, at the end of each year, he invests the money in a certificate of deposit (CD) which pays 7% interest annually, how much money will he have saved in six years?
Fill in the blank(s) with the appropriate word(s).