Answer: x=20
Step-by-step explanation:
Answer:
the total of angle's in traingle is 180
so 85+53+c=180
c=180-138
c=42
Answer: 22
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can add the two equations to eliminate the variable
and solve for
:



Now, we can use substitution to solve for
:
(given)




Hope this helps :)
Answer:
.434
Step-by-step explanation: