Which of the following is the term for a sliding device that moves against or is moved by fluid pressure? turbine

valve

piston

fluid

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me