
Explanation
Step 1
the sum of the internal angles in a triangle equals 18o, so

Step 2
now, replace the value of x in angle Q to find it

I hope this helps you
Answer:
4
Step-by-step explanation:
4567<853344464_p4356789
Find n first.
n+10= 40
Subtract 10.
n= 30
Plug in n.
30-25= 5
The answer is 5.
I hope this helps!
~cupcake
Answer:
m= -4
Step-by-step explanation: