
PEMDAS states to do what's in the parenthesis first...

PEMDAS states to multiply 5 by 1 next...

PEMDAS states to subtract 4 by 5 next...

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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
9 is the base of the triangle 4 is the leg and 5 is the
Answer:
a/8 or a over 8 hope this helps
Step-by-step explanation: