Use distribute property and simplify
Help me please​

Step-by-step explanation:

must calculate the number in ( ) first before calculate the number in [ ]

- - > +

+ + > +

+ - > -

- + > -

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value