What is 21 divided by 3 + (8 -2 +2)

15

Step-by-step explanation:

21/3+(8-2+2)

PEMDAS

In the parentheses, we can easily learn that the minus two plus two cancels each other out.

21/3+8

7+8

15

If anything is confusing, let me know and I'll explain it more.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

sasasadaassasasasa opk ok you know