Annie estimates that the height of a bookcase is 78.25 in. the actual height is 75.50 in. to the nearest tenth of a percent, what is the percent error in annie's estimate? enter your answer in the box.

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).

Triangle xyz has vertices x(1,3), y(0,0)

Write and solve a real word problem that involves determining distance on a coordinate plane