Evaluate.a1
A. 0
B. 1
C. -1
D. a
Answer: D
Mathematics
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Solve the triangle. 
A. c = 3.88, A = 49.5°, B = 30.5° B. c = 2.88, A =49.5°, B = 30.5° C. c = 3.88, A = 30.5°, B = 49.5° D. c = 4.88, A = 30.5°, B = 49.5°
Mathematics
Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 31 ft wide and the canal is 
deep at the center, how deep is it 8 ft from the edge?
A. 11.7 ft B. 22.5 ft C. 27.5 ft D. 38.3 ft
Mathematics
Find the LCM of the given polynomials.x2 + 3x - 4, x2 + 7x + 12
A. (x + 1)(x - 4)(x + 3) B. (x - 1)(x + 4)(x + 3) C. (x - 1)(x + 4) D. (x + 4)(x + 3)
Mathematics
Solve the compound inequality. Graph the solution set.-4x > -16 and x + 4 > 5
A. ?
B. (1, 4)
C. (-?, 1) ? (4, ?)
D. (4, ?)
Mathematics