179 is the heartrate of a 70 year old man!
If it is 0.8x+c( i assume asin ur question it shows 08.x+c
Y=0.8x+c
Where x is number of gallon
Put x=1
y=5.8
X
x=2 then y=6.6
Every timeit is incresedby 0.8
Step-by-step explanation:
<h2>ANSWER:-</h2>
We know that:-
Angle sum property if Triangles tells us that sum of angles of a triangle is equal to 180°.
So, First, we will find the third inner angle.


Now, let us find x.



So, 31° is the answer. (c)