Solve the system in terms of the arbitrary variable x.
5) 3x – 2y +z = 15
x + 4y - z= 11

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

What is a rational number between 9.5 and 9.7

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package