Graph the system of inequalities. Shade the region that represents the solution set.x2 + y ? 2x2 - y ? 1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the distance d(A, B) between the points A and B.A(3, 3); B(-5, 9)
A. 11 B. 10 C. 100 D. 20
Mathematics
Solve the equation.
x - 
x = 11
A. {15}
B. 
C. 
D. {165}
Mathematics
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.a = 3, b = 2, B = 20°
A. one triangle A = 149.13°, C = 10.87°, c = 1.1 B. one triangle A = 30.87°, C = 129.13°, c = 4.54 C. two triangles A1 = 30.87°, C1 = 129.13°, c1 = 4.54 or A2 = 149.13°, C2 = 10.87°, c2 = 1.1 D. no triangle
Mathematics
Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 cos(7?) sin ?
B. 2 sin(7?)
C. 2 sin 
sin ?
D. 2 sin 
cos ?
Mathematics