Answer:
1.3
Step-by-step explanation:
#3 is 4:5:8
#4 is 5:3:10
I think those are the answers, hope that helped.
Answer:
Ben is incorrect
The solutions are x>-3 and x < 3
Step-by-step explanation:
we have

Multiply by -1 both sides

Adds 9 both sides

The solutions are

and
-----> Multiply by -1 both sides ----> 
therefore
The solution is the interval (-3,3)
Ben is incorrect