Answer:
11.39
Step-by-step explanation:
-3.86+6.82=2.96
abs(2.96)=2.96
----------------------
4.02-12.45=-8.43
abs(-8.43)=8.43
-----------------------
1(2.96)+8.43=2.96+8.43=11.39
C. 40
20 + 4x = 180
subtract 20 from both sides
4x = 160
Divide both sides by
x = 40
Answer: 25. -17, -14, -3, 0, 2, 7
26. -26, -21, -13, -1, 5
27. -17, -16, -11, -4, 2, 9
28. -75, -63, -60, -52, 12, 70
Yo sup??
m3 and m6 for a supplementary pair therefore
m3+m6=180
122+m6=180
m6=58
Hope this helps