A: 40 because supplements add up to 180
B: 54 because complements add up to 90
Answer:
B. 6.5
Step-by-step explanation:
You can use the 5 against the unknown number and add a few more moves which makes it 6.5.. It's easier in my head man.
Answer:it the 3rd one
Step-by-step explanation:
I done this
Answer:
20.94021
Step-by-step explanation:
mark me brainlist