Solve the right triangle for all missing sides and angles to the nearest tenth.
c = 19B = 65°
A. A = 25°, a = 21, b = 45
B. A = 25°, a = 8, b = 17.2
C. A = 25°, a = 45, b = 21
D. A = 25°, a = 8.9, b = 21
Answer: B
Mathematics
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A. [-3, 1] B. ? C. (-3, 1) D. (-3, ?)
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Solve the system.
A. x = 6, y = -24, z = 16, w = -6 B. x = 1, y = -24, z = 8, w = -2 C. x = 1, y = -4, z = 16, w = -1 D. x = 1, y = -4, z = 4, w = -1
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Divide, if possible.
A. 8 B. 1 C. 0 D. Undefined
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Find an equation for the ellipse.Foci at (±2, 0); x-intercepts are ±8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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