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➷ The y - intercept is where the line hits the y axis.
At age 0, the height in inches was 30.
Therefore, the best interpretation would be "It's likely that Joanna was about 30 inches tall when she was born."
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡