Solve the equation.
= 
A. x = 
B. x = - 
C. x = - 
D. x = 
Answer: C
Mathematics
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Find all solutions of the equation in the interval [0, 2?).4 sin2 x - 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Straight B. Obtuse C. Acute D. Right
Mathematics
Solve.
- 
= 5
A. 10
B. 
C. 16
D. 40
Mathematics
Find the center, foci, and vertices of the ellipse.49x2 + 25y2 = 1225
A. center at (0, 0)
foci at (- 2
, 0) and (2
, 0)
vertices at (-7, 0), (7, 0)
B. center at (0, 0)
foci at (0, -7) and (0, 7)
vertices at (0, -49), (0, 49)
C. center at (0, 0)
foci at (0, 7) and (5, 0)
vertices at (0, 49) and (25, 0)
D. center at (0, 0)
foci at (0, - 2
) and (0, 2
)
vertices at (0, -7), (0, 7)
Mathematics