Answer:
please what should we found? is it the value of ×or y
I'm not positive I know the answer, but I have a feeling that because it's asking that you select all that apply, there is more than just one answer.
x + 3 = 0
-3 + 3 = 0
So yeah, just basically solve them as individual problems. Just do additive inverse for each expression.
I think question 2 is 3 millimeters
Because diameter = 2r (R = radius)
