Write a proportion. if an 18ft tall tree casts a 9ft long shadow how tall is an adult giraffe that casts a 7ft tall shadow

answer: write 18 ft then make a horizontal slash and put 9 ft under it. now put an = next to the slash. now put x and make a slash under it so you can put 7 ft under the slash. now cross multiply. 18*7= 126 then do 126 divided by 9 to get 14. so a 9 foot adult giraffe casts a 7 foot tall shadow. hope this .

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an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.