PLEASE THIS IS DO TODAY HELP ME OUT GUYS.

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

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).