The answer to this question is ....... a) 11
Answer:
B
Step-by-step explanation:
You need to divide it to further simplify the expression unless it is already in its simplest form.
Answer:
80
Step-by-step explanation:
every triangle adds up to 180 sort of, in this case, turn 4 into 40. 40+20=60 so add 80 to be 180!!!
