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 hundredth)? 
A. 8.68%
B. 9.06%
C. 8.66%
D. 8.87%
Answer: C
Mathematics
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Round the money amount to the nearest cent or dollar as indicated.$3999.53, nearest dollar
A. $3999.5 B. $3000 C. $4 D. $4000
Mathematics
Write the augmented matrix for the system. Do not solve the system. 7x + 3z - 2 = 0 2y + 6z - 20 = 0 3x + 9y + 2z - 12 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the horizontal or vertical line, as indicated, through the given point.horizontal line; through (-9, 2)
A. x = 2 B. y = 2 C. x = -9 D. y = -9
Mathematics
Determine whether each sentence is true or false. a. Every square is a rectangle.b. Every square is a parallelogram.
A. a true, b false B. a false, b true C. a false, b false D. a true, b true
Mathematics