Solve the problem.Walt made an extra $9000 last year from a part-time job. He invested part of the money at 10% and the rest at 7%. He made a total of $810 in interest. How much was invested at 7%?
A. $3000
B. $9000
C. $6000
D. $4500
Answer: A
Mathematics
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Find the standard form of the equation of the hyperbola satisfying the given conditions.Foci: (-5, 0), (5, 0); vertices: (-2, 0), (2, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Locate the fraction on the number line.3
A.
3
B.
3
C.
3
D.
3 |
Mathematics
Graph the hyperbola.25x2 - 9y2 = 225
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to select the graph of the function below. Describe the behavior of the function as x approaches 0.
?
?
A. ?
As x ? 0, f(x) ? 0.
B. ?
?As x ? 0, f(x) ? 0.
C. ?
As x ? 0, f(x) ? 0.
D. ?
As x ? 0, f(x) ? 0.
E. ?
As x ? 0, f(x) ? 0.
Mathematics