Rectangle efgh is a scale drawing of rectangle abcd.

rectangle abcd has a width of 4 and a length of 8. rectangle efgh has a width of 10 and a length of 20.

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what is the scale factor?

i will give brainleist to the first one who answers me

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

The total number of dental clinics total for the last 12 months was recorded

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room