I'm not sure what the question is but I think your asking 150-85=65
Answer:
SO what it is is
Step-by-step explanation:
its 10 and 15/355555
Answer:
Step 3, because the solution should also include all the values for x between the two given values
Step-by-step explanation:
step 1
we have


step 2
The graph in the given problem
step 3
Identify the solution when 
so

using a graphing tool
The solution is the interval -----> [3,5]
see the attached figure
All real numbers greater than or equal to 3 and less than or equal to 5
therefore
The first step in which the student made an error is step 3
A Pentagon has 5 lines of symmetry