Which word describes the relationship of the points (3, 1) and (3, 6)?

A) collinear
B) parallel
C) perpendicular
D) coincident

How do the graphs of y = 1/x and y=5/x+6 compare?

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).

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?