we know that
The sum of the internal angles of a triangle must be equal to
degrees
see the attached figure with letters to better understand the problem
m∠B+
°-----> by supplementary angles
m∠B=
m∠A=
m∠C=
m∠A+m∠B+m∠C=
Substitute

therefore
the answer is
the value of x is equal to 
Answer:
125 people per square mile
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
Answer:
the first one, 5(x-4) + 29
Step-by-step explanation: