Answer:
Step-by-step explanation:
Sum
-2d + 1 + 6d + 4
Solving like terms
4d + 5
Difference
-2d + 1 - 6d - 4
-8d - 3
Answer:
208.85
Step-by-step explanation:
It is 208.85 because when you have .8 + .05 =.85
a straight line = 180 degrees
so the missing angle is 180 - 130 = 50 degrees
Step-by-step explanation:
dont stress just move onto the next question :)