AIR MATH

Math Question

For a series of concrete structures, a civil engineer records the number of racks that develop in each one and the number of fastening bolts used in hat structure. The scatterplot shows her results. Based on her line of bes hich of the following statements is true? Number of Bolts A. For each bolt used, the number of cracks decreased by an av of \( 1 / 2 \). B. The initial number of cracks was \( 2 . \) C. For each bolt used, the number of cracks decreased by an av of 3 . D. The initial number of cracks was \( 10 . \)

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