Pre-Calculus

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OKHW822211 For Ryan only. I have another one, https://www.screencast.com/t/gYZp8xxLYTy , please solve and explain how you solved it. Thanks!

OKHW814211 For Ryan only. Can you solve #334 explain how you did it? https://www.screencast.com/t/nIwAWytiUS

OKHW814211 8 * 5 - 56 : (8 + 4)