58
First solve what is inside the parentheses (PEMDAS)
(5-21)+(-7+81)
(-16)+(74)
Add
58
Hope this helps! :)
Answer:

Step-by-step explanation:
Given

Required
Determine the intercept
The intercept is at point: 
So, we have:



So, the intercept is at point 
<em>None of the options is true</em>
Answer:
k = 1/2
Step-by-step explanation:
-4k-2(k)-2(-3)=-6k+8
-4k-2k+6=-6k+8
-2k+6=-6k+8
4k+6=8
4k=2
4k/4= 2/4
k=1/2
Lol that's so cool just give me the poonts