A simple random sample of size n=18 drawn from a population that is normally distributed. The sample mean is found to be x=67 and the sample standard deviation is found to be a=20. Construct a 95% confidence interval about the population mean

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 complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?