Solve the problem.A certificate of deposit pays 
interest compounded semiannually. What effective interest rate does the CD pay? Round to the nearest tenth when necessary.
A. 4.5%
B. 5.6%
C. 11.3%
D. 6.3%
Answer: B
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Use the table to find the instantaneous velocity of y at the specified value of x.x = 1. 
A. 0.5 B. 0 C. -0.5 D. 1
Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, and on the right by the line 
, about the line 
A. 
?
B. 
?
C. 625?
D. 
?
The displacement from equilibrium of an oscillating weight suspended by a spring is given by
?
?
where y is the displacement in centimeters and t is the time in seconds (see figure). Find the displacement when 
. (Round your answers to nearest tenth.)
?
?
A. 1.200 cm
B. 1.100 cm
C. 1.000 cm
D. 0.800 cm
E. 1.300 cm
Solve. Write each fraction in simplest form.The following graph is called a circle graph or pie chart. Each sector (shaped like a piece of pie) shows the number of each color of marbles that Bob has: 320 are red, 192 are blue, 80 are yellow, 160 are green, and 80 are clear. What fraction of the marbles are red? Write the fraction in simplest form. 
A. 
B. 
C. 
D. 