24 students in sureness art class say that blue is their favourite colour. This is 75% of the entier class

What is the equation of the linear function represented by the table?

The amount of energy it takes to lift a box might be a function of which of the following

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).