Someone please help me to study for my test with this review packet!! :)

Question

anonymous · Answer

ill help or shall i say ill try

anonymous · Answer

brb

anonymous · Answer

$$5^{2}+7^{2}=x^{2} under that is, 25+49=x^{2}, below that is \sqrt{79}=\sqrt{x}^{^{2}} what does x^{2}=?$$ & thanks ^.^

anonymous · Answer

I wish I could show a pic, it's Pythagonean and Theorem.

hartnn · Answer

you want to learn pythagoras theorem or u want to know how $x=\sqrt{79}$ ??

hartnn · Answer

and x^2 = 25+49 = 74

hartnn · Answer

not 79

anonymous · Answer

Sorry I meant 74, but I wanted to know the answer to it because there are 4 answers, 1)6.3 
2)7.1 3)14.1 & 4)17.1

hartnn · Answer

then u need to post the entire question clearly....

hartnn · Answer

because sqrt 74 = 8.6

anonymous · Answer

The end of the dog's leash is attached to the top of a 5-foot-tall fence post, as shown in the diagram below (this is where the equation is) The dog is 7 feet away from the base of the fence post.

hartnn · Answer

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whats need to be found ?