Answer: thats right...
Step-by-step explanation:
Use the pythagorean theorem a.k.a

c is the hypotenuse while a & b are the legs


subtract 225 from 289

square root both b and 64
the other leg is equal to 8
Answer:
4k-40
Step-by-step explanation:
you first <em>bracket </em><em>the </em><em>expression </em><em>k-1</em><em>0</em><em> </em><em>you </em><em>then </em><em>multiply </em><em>it </em><em>by </em><em>4</em>