-126.....................................................
Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900
Answer:
rate of change = -0.32
Step-by-step explanation:
Rate of change = slope,m

There are 120 ways to color the 4 rectangles
<h3>How to determine the number of ways?</h3>
The given parameters are:
Paints, n = 5
Rectangles, = 4
The number of ways to color the rectangles is

This gives

Apply the permutation formula

Evaluate the expression
Ways = 120
Hence, there are 120 ways to color the 4 rectangles
Read more about permutation at:
brainly.com/question/1216161
#SPJ1
The width (x) is 18. I wrote it out in case you need to show your work. Your welcome.