Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is

Answer:
The true statement is that the answer is 75
Step-by-step explanation:
Answer3:
Step-by-step explanation:
I do not know
Answer:
T<7
Step-by-step explanation:
21+7T+8<43
29+7T<43
7T<43‒29
7T<14
7T/7<14/7
T<7
i think it is clear &i hope it helps you