Pls help for math class

6y-4

Step-by-step explanation:

to solve this we are going to combine like terms using pemedas and other mathematical properties.

using the associative property, we know that we can rearrange the groupings of the parenthases

-y+5+7y-9

so now we are going to combine like terms

this leaves us with a final answer of  

6y-4    

mental cunning

explanation:

he is often referred to as a man of twists and turns

i dont know

step-by-step explanation:

the reason i dont know is because i have not taken this class and for that reason i haven't learned this stuff

hope i could