Answer:
D
Step-by-step explanation:

Simplify:

Rewrite in the form
:

Add
to both sides:



or 
x = -4±
x= -4±
Answer:
(30,0)
Step-by-step explanation:
y=0
-2/5 *x +12=0
2x/5=12
2x=12*5
2x=60
x=60/2
x=30
Answer:
the last two
Step-by-step explanation:
Answer:
-8z-1
Step-by-step explanation:
The answer is A. 28.5 hope this helped!!!! :)