I used a dash line because the term 'less than' does not include the value itself.
I can’t see the whole thing take a picture of it again or explain the problem to me
It would be written as
T < 5, but there would be a line underneath the less then sign
Answer: 
Step-by-step explanation:

a = base
h = height

Solve the parentheses squared first.

2 and 36 can be simplied
2/2=1
36/2=18


Rounded to the nearest whole number... 
Well you do 228/12 to find your answer and that is 19 and to check you do 12*19=228