An initial investment of $1000 grows at an annual interest rate of 7% compounded continuously. How long will it take to double the investment?
A) 10.29 years
B) 9.29 years
C) 9.90 years
D) 10.90 years
E) 1 year
C) 9.90 years
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Multiply.(-0.6x6)(-0.4x7)
A. 0.24x13 B. 0.24x42 C. -0.24x13 D. -0.24x42
Find the equation of the least-squares regression line. Graph the line and data points on the same graph.
A. y = 2.8x
B. y = 3.0x
C. y = 0.15 + 3.0x
D. y = 0.15 + 2.8x
Use a proportion to solve the problem.On an architect's blueprint, 1 inch corresponds to 6 feet. If an exterior wall is 
long, find how long the blueprint measurement should be. Write answer as a mixed number if necessary.
A. 5 in. B. 6 in. C. 2 in. D. 8 in.
Solve.A rectangle has an area of 15x2 + 19x + 6. Find possible dimensions for this rectangle.
A. 15x + 1 by x + 6 B. 3x - 2 by 5x - 3 C. 3x + 2 by 5x + 3 D. 15x + 2 by x + 3