Provide an appropriate response.True or false? The hyperbola with equation 
- 
= 1 opens left and right.
A. False
B. True
Answer: B
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Solve using the multiplication principle.9b = -153
A. 162 B. -162 C. 1 D. -17
Solve.Two 6-sided dice are rolled. What is the probability that the sum of the two numbers on the dice will be 4?
A. 
B. 
C. 3
D. 
Graph the system of inequalities, and find the coordinates of the vertices.2y + x ? -2,y + 3x ? 9,y ? 0,x ? 0
A. 
B. 
C. 
D. 
Solve the problem.John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is standing as 35°. He walks 30 feet closer to the tree and finds that the angle of elevation has increased by 12°. Estimate the height of the tree rounded to the nearest whole number.
A. 90 ft B. 86 ft C. 61 ft D. 67 ft