What is two fifths of the square number j into an aglebraic expression?

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The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.