Answer:

Step-by-step explanation:
Hello!
To find the slope of a line we divide how many times it goes over by the number of times it goes up
The line goes over 4 and up 2 which is shown like

We can simplify this

The answer is 
Hope this helps!
Not sure. has the same question
Answer:
Step-by-step explanation:
x + 159 = 180
x = 21
9•27+2•31-28= ? Is that what you are asking?
Answer:
Proved Below
Step-by-step explanation:

Hence, Proved that
is equivalent to
.