Discover Questions

Can some show me how to solve the linear equation. I need the answer for x,y, and z -x-y+z=-16
-x+y-z=18
x-y-z=20? A particle is moving with the given data. Find the position of the particle. v(t) = sin(t) − cos(t), s(0) = 4? DERIVATIVE HELP PLEASE!
g(t)=sqrt((t)/(t+3))? Someone please answer this trig problem for me? Name the ionic compound K2S?