A system uses 49 J of energy to do work, and the change in internal energy is 58 J. How much heat was added to the system?

Is the orthocenter of a triangle on the inside ?

10% of 1,900,000. show me how you got the answer

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93