68 meters is the correct answer
Answer:
Step-by-step explanation:
42:7=ED:24
cross multiply 42 into 24.
Then divide by 7
you will get ED
Then use pythageorous theorem.
Ed square + 42 square=Ef square
Then do square root of Ef square
Answer:
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Step-by-step explanation:
Is -1.393 the significance level and if so what’s the degree of freedom?