Simplify by removing parentheses and collecting like terms.-6r + 15 - (2r + 7) - 5(7r + 8)
A. 43r + 15
B. -39r - 18
C. -43r + 48
D. -43r - 32
Answer: D
Mathematics
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Solve the triangle. 
A. A = 109.5°, B = 38.9°, C = 31.6° B. A = 38.9°, B = 109.5°, C = 31.6° C. A = 38.9°, B = 31.6°, C = 109.5° D. A = 109.5°, B = 31.6°, C = 38.9°
Mathematics
Solve.3x2 - 3y2 = 12 2x2 + y2 = 8
A. (-2, 4), (2, 4) B. (-2, -4), (-2, 4), (2, -4), (2, 4) C. (-2, 0), (2, 0) D. (0, -2), (0, 2)
Mathematics
Convert as indicated.12 kg to milligrams
A. 1,200 mg B. 12,000,000 mg C. 0.012 mg D. 0.12 mg
Mathematics
Write an equivalent fraction satisfying the stated condition.
; denominator = 92
A. 
B. 
C. 
D. 
Mathematics