ANSWER

EXPLANATION
First, we have to make a sketch of the direction of the moments of the forces about 12m from the left in the diagram:
The sum of upward forces must be equal to the sum of downward forces. This implies that:

Also, the sum of clockwise moments must be equal to the counter-clockwise moments:

From the first equation, make TA the subject of the formula:

Substitute that into the second equation:

Substitute that into the equation for TA:

Therefore, the reaction supports at TA and TB are:
Answer:
thrity-two degrees Celsius
the answer to your question is physical fitness
I believe it is crude birth rate :)
The question is poorly worded, and makes it harder for the student to learn the basics of the subject. "Potential Difference" is the difference in electrical potential between two places in an electric field ... not in electrical potential energy.