Answer: 40n-20
Step-by-step explanation:
14n-4+6n+12n-4+8n-12
14n+6n+12n+8n-4-4-12
40n-20
Commutative Property of Addition
A circumstance or influence that contributes to a result or outcome
I think it would be 4x^2 and 3x^3 because they both have the same "x". Because you can't add, for example, 5x + 7z, they aren't alike. That's why you have to choose like terms, for example, 5x+ 5x= 10x.
Answer:
hey
Step-by-step explanation:
diagonal PQ = root over l²+b²+h²
= root over 9+16+144
root over 169
=13 is your answer
