Answer:

8,3*0,25=2,10%(2d.p)
Step-by-step explanation:
If I think I’m understanding it, the new members out of the 200 original would be adding 28% to the mix
Answer:
I feel like its that but im rlly not sure.
Step-by-step explanation:
It's 54 degrees.
The internet is a wonderful friend. Type in "Pentagon split into triangles" on google images and you will find a diagram that finds it.
Answer:
E = 0 x (4/6) + 60 x (1/6) + 120 x (1/6) = 30
Step-by-step explanation: