By Pythagoras Theorem,
the length of the other leg= (12^2-9^2)^1/2
hope this helps
Step-by-step explanation:
4/5 (b +9)
4/5×b + 4/5×9
4b/5 + 36/5
4b/5 + 72/10
4b/5 + 7.2
I believe this is correct:
13 x^3-78x^2-234x
pleasa vote my answer brainliest. thanks!
Answer:
the first one and the third one
Step-by-step explanation:
