Answer:
A : 4x+5x=180
Step-by-step explanation:
They form a linear pair which equals 180.
First you need to move that n over im fairly certain
Answer:
2nd option
Step-by-step explanation:
4 + (-3) = 1 because the signs mismatch, something cannot be both positive or negative. When the signs are the same, whether it be both positive or both negative, the answer will always be positive, while if the signs are mismatching the answer will always be negative.
Hope I helped!
