Answer:
34+(-12) =22
Step-by-step explanation:
because they said that adding numbers but they didn't said that negative Or positive. so i took those numbers
Answer:

Step-by-step explanation:
Recall that
.
Therefore,
.
Answer:
right side, bottom. curve
Step-by-step explanation:
Answer:
I think it's 30
Step-by-step explanation:
I took it as reflection of light..or ig it has same idea