Which expressions are equal to ? Check all that apply.

3/9 + 5/9 and 4/9 + 4/9 are both equal to 8/9.

Second option and fifth option

Step-by-step explanation:

Since they are all with a denominator of 9 we do not need to do anything else except add them up.

The first one is equal to 7/9

Second is 8/9

Third is 6/9

Fourth is 9/9

Fifth is 8/9

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb