Seudónimo Seudónimo 15-06-2017 Mathematics contestada Answer all questions and show your work: 1. -25 - 78 2. -18 - (-38) 3. -5 1/4 + 3 /4/5 4. -25.04 - (-37) 5. -8 (-7) (+6) 6.(5 1/4) (-6 3/4) 7.(-8.2) (+10.1) 8. (-75.3) ÷ (0.3) 9. 42 - (-87) 10. -45 - (-105)