I'm assuming you're subtracting. It would be 3.9. The second one would be 0.65.
Answer:
5n units
Step-by-step explanation:
C=2πr =2·π·2.5
Answer: 2 x -1 = -2. -2 + 2 =0
Answer:
5 1/3
Step-by-step explanation:
I got 81 members. 4 x 20 = 80 81-80=1
6 x 13= 78 81-78= 3
7 x 11= 77 81-77= 4