Answer:
<em>sorry i don't know the answer:(</em>
Answer:
40 degrees
Step-by-step explanation:
Supplementary angles are angles in which their measures combined add up to 180 degrees. So we can set up an equation:
140+x=180
x=40
So the other supplementary angle is 40 degrees
3 (x+7)
multiply 3 to both x and 7
3x+21
Answer:
42
Step-by-step explanation:
The answer to life the universe and everything is 42
36.
90 times 2/5 (or 0.4) is equal to 36
