Answer:
0, 3
Step-by-step explanation:
Answer:
degrees.
Step-by-step explanation:
Line ABC is a straight line, and the angle on a straight line is always 180 degrees.
Since ABD + DBC = ABC, we know that 

Divide both sides by 9:

DBC is
degrees.
Answer:
1
Step-by-step explanation:
So because 3 to the power of 3 is in brackets we do that first.
3 x 3 x 3 = 27
Now , 27 to the power of 0 is 1 because anything to the power of 0 is 1.I hope this helped
Answer
Step-by-step explanation:
Replace all occurrences of
+
−
with a single
−
. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because
1
⋅
−
1
=
−
1
−
20
−
2
m
Answer:
2 1/4
Step-by-step explanation: