Solve.
= 0
A. {9, -9}
B. ?
C. {9}
D. {-9}
Answer: C
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 60 m B. ? 230 m C. ? 290 m D. ? 185 m
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (0, 4) and (0, -4); foci at (0, 9) and (0, -9)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Construct a truth table for the statement.~(s ? t) ? ~(t ? s)
A. 
| T | T | F |
F T T
F F F
B.
| T | T | F |
F T F
F F T
C.
| T | T | F |
F T F
F F F
D.
| T | T | F |
F T T
F F F
Classify the angle as acute, right, obtuse, or straight.
A. Obtuse B. Right C. Acute D. Straight