Solve the equation.
+ 
= -1
A. 
B. {5}
C. {0}
D. ?
Answer: D
Mathematics
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Answer the question.If your salary is 25% higher than mine, then how does my salary compare to your salary?
A. My salary is 75% of yours. B. My salary is 20% less than yours. C. My salary is 125% of yours. D. My salary is 25% less than yours.
Mathematics
Solve the problem.Find an equation of the hyperbola that passes through the points (-3, -2) and (4, 
).
A. 
- 
= 1
B. 
- 
= 1
C. 3y2 - 7x2 = 1
D. 
- 
= 1
Mathematics
Solve.A house has an assessed value of $249,500. For each $1000 of assessed value, the owner must pay $8.28 in taxes. How much must the owner pay in taxes?
A. $20,658.60 B. $206.59 C. $30,132.85 D. $2065.86
Mathematics
Use the formula for 
to evaluate the expression.
A. 990 B. 165 C. 6,652,800 D. 13,305,600
Mathematics