Solve the problem.Mardi received an inheritance of 
. She invested part at 9% and deposited the remainder in tax-free bonds at 8%. Her total annual income from the investments was 
. Find the amount invested at 9%.
A. $29,000
B. $15,000
C. $45,700
D. $30,000
Answer: D
Mathematics
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Evaluate the integral. 
A. 
ln
- 
ln
+ C
B. 
et ln
- 
et ln
+ C
C. 
ln
+ 
ln
+ C
D. 
ln
- 
ln
+ C
Mathematics
Find the simple interest. Round your answer to the nearest cent.Principal = $990Interest Rate = 5
%Time in years = 8
A. $711.56 B. $455.40 C. $45.54 D. $13.77
Mathematics
Solve the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.
A. C = 103°, a = 66.7 m, b = 37.6 m B. C = 103°, a = 13.5 m, b = 23.9 m C. C = 103°, a = 23.9 m, b = 13.5 m D. C = 97°, a = 13.2 m, b = 23.5 m
Mathematics
Identify the vertex of the parabola.P(x) = 2x2 - 20x + 49
A. (-5, 1) B. (5, -1) C. (1, -5) D. (-1, 5)
Mathematics