Find the center of the hyperbola.y2 - x2 - 10x = 26
A. (-5, 1)
B. (0, -5)
C. (-5, 0)
D. (5, 0)
Answer: C
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Add or subtract and write answer in lowest terms.38
- 25
A. 12
B. 11
C. 12
D. 13
Graph the polar equation.r2 = 16 sin (2?)
A. 
B. 
C. 
D. 
Solve.Linda invests $25,000 for one year. Part is invested at 5%, another part at 6%, and the rest at 8%. The total income from all 3 investments is $1600. The income from the 5% and 6% investments is the same as the income from the 8% investment. Find the amount invested at each rate.
A. $10,000 at 5%, $5000 at 6%, $10,000 at 8% B. $5000 at 5%, $10,000 at 6%, $10,000 at 8% C. $8000 at 5%, $10,000 at 6%, $7000 at 8% D. $10,000 at 5%, $10,000 at 6%, $5000 at 8%
Use the commutative or the associative property to complete the statement. State which property is used.1 + (-2) = -2 + 
A. 1; associative property B. -1; commutative property C. -1; associative property D. 1; commutative property