The question is in August 2019, 155,000 of spring hills adult residence were employed well 7,000 were unemployed. What was spring hills unemployment rate in August? it’s a little bit of math can someone help me

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.