Question

HELPPP PLEASEEEE LIKE ASAPP

Answer 1

Answer:

4+(-5)=-1. C was just irrelevant here

Answer 2

Answer:

replace the variables in the equations with the values they give you, and solve it. it'll give you -1

Step-by-step explanation:

a + b becomes

4 + (-5), which is 4-5

so the answer is -1