When the behavior of one or more research participants is measured over time, this is called __________ research.
A. longitudinal
B. developmental
C. cross-sectional
D. sequential
Answer: A
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Marco needs $175,000 six years from today. How much should Marco deposit today into an investment account that provides a 12% annual return in order to accomplish his goals?
A. $89,523 B. $88,660 C. $85,487 D. $62,500
Solve the problem.
Suppose you invest $4000 in this fund today. How many shares will you buy? Round to three decimal places.
A. 3044.000 shares B. 1902.500 shares C. 525.624 shares D. 52.562 shares
Write the first five terms of the arithmetic sequence with the given first term a and common difference d.a = 12; d = -3
A. 15, 12, 9, 6, 3 B. 12, 9, 5, 3, 0 C. 9, 6, 3, 0, -3 D. 12, 9, 6, 3, 0
Solve the equation on the interval 0 ? ? < 2?.cos ? = sin ?
A. 
, 
B. 
, 
C. 
, 
D. 
, 