Use set statements to write a description of the shaded area. Use union, intersection and complement as necessary.
A. (A ? B)'
B. A' ? B
C. B - A
D. A' ? B
Answer: D
Mathematics
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Solve.A certain amount of money saved for 1 year at a certain annual interest rate (simple interest) yielded $13.80 in interest. If we had added $23 to the principal and reduced the interest rate by 2 percentage point(s), the interest would have been the same. Find the principal and the rate.
A. $2.32, 17% B. $14.00, 10% C. $14.00, 12% D. $115.00, 12%
Mathematics
Solve the equation.
- 
= 
A. 
B. no solution
C. 
D. {3}
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. 9x + 8y = -56 3x - 2y = 14
A. (-1, -6) B. (0, -7) C. (0, -6) D. No solution
Mathematics
Use a calculator to estimate the limit.
A. 
B. Does not exist
C. 0
D. 2
Mathematics