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For number 7, you need to use the distance formula. Its not easy to type on the computer so if you don't know it search it up and plug all the information in. For number 9, you can use the Pythagorean theorem to find the length and multiply that with 5, the height. So you answer would be B, 31

As you know john locke said he wanted life liberty and the pursuit of happiness so thomas jefferson was inspired about what john locke said so thomas jefferson wrote the declaration of independence for people to be free for people to be happy