Please I have been waiting for an answer. somebody help me I give brainlist What is the value of x in this figure?

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Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Which of the following shows the length of the third side, in inches, of the triangle below

Which of the following represents the length of a diagonal of this trapezoid?