Answer:
X= 0
X= -4
x1= -4, x2=0
Step-by-step explanation:
Answer:
The answer is "7.122 billion"
Step-by-step explanation:
Please find the complete question in the attached file.
Using formula:
So,
when it becomes
so plug the value into the formula

"A construction company is stringing up signs ... "
Divide 4 miles by 1/8 mile:
4 miles
--------------------------- = 32 signs are needed
(1/8) mile per sign