Answer:
34
Step-by-step explanation:
Substitute 2 for t in your formula
Answer:
Solving
we get 
Step-by-step explanation:
We need to solve:

First solving brackets

Now solving 6^2

Now subtracting 8.5 from 36

Now adding the above values

So, solving
we get 
B
70^2 -30^2=5184
square root answer to get 72
The answer to that question so D because 1.0 is the lowest tem.