B(10,15) B´(4,6) Which type of transformation is that?​

Find the measures of the complement and the supplement of each angle, m

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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).