An engine does 15. 0 kj of work while exhausting 37. 0 kj to the cold reservoir. What is the efficiency of the engine?.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

True or falseaccording to the fifth amendment people cannot be tried for the same exact crime more than once

Three important things a musician must do for a superior performance. essay