The solution x=71 is a solution to which of the following equations?

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

Which of the following is most likely the next step in the series

Marissa can buy 3 oranges for $1.35 4 oranges for $.80 or 5 oranges for $2.25 marissa can buy 10 oranges for a price that fits this pattern or a bag of oranges for $4.25 which way costs less for 10 oranges