Agirl is snorkeling 1 meter below sea level and then dives down another 0.5 meter. how far below sea level is the girl

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 are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?