The car owned by a person is a part of his or her

What is the factored form of the following expressions? d^2 – 13d + 36

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Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of