Answer:
540°
Step-by-step explanation:
Just divide the shape into triangles and count the number of triangles. This is what your formula is doing for you. It's telling you how many triangles make up the shape and then multiplying that number by 180 degrees to find the sum of your interior angles.
ANSWER
See explanation.
EXPLANATION
Step 1
Graph each of the functions.

and

Step 2
Look for the point of intersection of the two graphs.
From the graph, the two functions intersected at
(0.38,6.14)
-1 > -4
3 <u>></u> 0
1 <u>></u> -2
3 > -5
I don't understand the second one sorry.
Answer:
12
Step-by-step explanation:
140/4=35 35 x 12=420