Let X=U+W with E[U]=m , Var(U)=v , E[W]=0 , and Var(W)=h . Assume that U and W are independent. The LLMS estimator of U based on X is of the form U^=aX+b . Find a and b . Express your answers in terms of m , v , and h using standard notation.

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet