Which expression would be easier to simplify if you use the associative property to change the grouping A.(2+3/7)+4/7 B. 4+(1.2+(.02)) C. 85+(120+80) D. [-40+(60)] + 52

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