Answer:
see below
Step-by-step explanation:
Closed under addition, subtraction and multiplication
Not closed under division :-
for example 3/4 = 0.75 which is not an integer
For one since since the angles should add up to 180 degrees we must start by adding 55 and 25 which is 80 so 180-80=100 which means c is 100 degrees and for the other I'm going with C
Answer:
can you please describe this more and what it is then i will answer it in the comments
Step-by-step explanation:
Answer:
Slope = 4
Step-by-step explanation:
