Answer:
-1
Step-by-step explanation:
The line goes down 1 grid square for each grid square to the right. Each grid square represents 1 unit in both the x- and y-directions. That means the slope is ...
m = rise/run = -1/1 = -1
The slope of the line is -1.
The second answer I believe. Sorry if I am wrong.
Answer:
21!
Step-by-step explanation:
6)a
if we put n as the number of sides in a regular polygon, the formula to find the measure of each angle is

so the answer will be

they each measures 144 degrees
good luck