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use formula P= lrt (pretty sure) ​

What is not true about kl and mn? what is mn? (show )

Which expression is rational? 6. , square root two, square root 14, square root 49

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!