Is 3 yards greater than 36 inches ?

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).

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?