Factor.x2 + 2x - 3
A. x2 + 2x - 3
B. (x + 3)(x - 1)
C. (x - 3)(x - 1)
D. (x - 3)(x + 1)
Answer: B
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Find the area.
A. 2100 yd2 B. 1330 yd2 C. 1100 yd2 D. 1300 yd2
Graph the system of inequalities.y ? 4x + 4x + y ? 1
A. 
B. 
C. 
D. 
Solve the problem.A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 31 feet. If the distance across the top of the mirror is 68 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round the answer to the nearest tenth.B = 22°, b = 16.8, a = 22.42
A. A = 150°, C = 8°, c = 6.2 B. No triangle exists. C. Solution 1: A = 30°, C = 128°, c = 35.3 Solution 2: A = 150°, C= 8°, c = 6.2 D. A = 30°, C = 128°, c = 35.3