Answer:
90+45 +? = 180
180 - 90 - 45 = x
x = 45
Step-by-step explanation:
Divide it and get 0.6 then multiply by 100 so 60%
Step-by-step explanation:
To find the slope of a line given two points we use the formula

where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
(4,2) and (4,-6)
The slope is

<h3>Since any number divided by zero is undefined the slope of the line is undefined</h3>
Hope this helps you