Which of the following is the measure of zaxy if ray x bisects zaxb,
which measures 110°?
o a. 50°
o b. 55°
o c. 45°
o d. 110

What is the square root of 45? (step by step working plz)

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).

Me d is also an option but i couldn't get it in the picture