Solve the problem.A survey of the interest rates earned by Certificates of Deposit (CDs) showed the following percents for the length of time (in years) for holding the CD. Let length of time represent the independent variable and interest rate represent the dependent variable. Use a graphing utility to draw a scatter diagram and to find the line of best fit. What is the estimate of the interest rate for a CD held for 30 years (to the nearest thousandth)? 
A. 8.675
B. 8.874
C. 8.669
D. 9.064
Answer: C
Mathematics
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The given number expresses angle measure. Express the measure in terms of degrees.
A. 144° B. 117° C. 162° D. 180°
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Perform the indicated operation. 
+ 
A. - 
B. - 
C. - 
D. - 
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Evaluate the expression using the graphs of y = f(x) and y = g(x).Evaluate (fg)(-1).
A. 0 B. 3 C. -2 D. -1
Mathematics
Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 5 miles per hour and Dave bikes at 8 miles per hour. How long will it be until they are 29 miles apart from each other?
A. 9
hr
B. 
hr
C. 
hr
D. 2
hr
Mathematics