Answer:
85°
Step-by-step explanation:
The exterior angle of a triangle is=sum of the opposite interior angles
So
? °=45°+40°
Set them equal because they are equal angles:
2x-3=x+4
x=7
June 19th 2006 specifically a monday
Answer:
<em>y = - 4x + 5 </em>
Step-by-step explanation:
y = mx + b
(0, b) y-intercept
m =
~~~~~~~~~~
( - 2, 13)
(0, <em>5</em>) <----- y-intercept
(3, - 7)
(4, - 11)
<em>m =</em> = <em>- 4</em>
<em>y = - 4x + 5</em>