Answer:
Step-by-step explanation:
Know Your Arithmetic
Remember PEMDAS
Get Positively Comfortable with Negative Numbers
Show Your Work
Don't Let the Letters Scare You
Be Sure to Answer the Right Question
Work Practice Problems
Calculator
Join a study group
Answer:
40m Since it is the shortest side
Step-by-step explanation:
The answer for this question is to treat people the way you want to be treated if you want the answer click the link below
Represent addition and subtraction with objects, fingers, mental images, drawings1, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.