A snack is 5 parts peanuts and 2 parts raisins. How many pounds of peanuts should be mixed with one-half pround raisins explain please

Which expression is equivalent to sq-80

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Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?