Answer:
40%
Step by step explanation is given above
Answer:
mark me as brainliest first
Step-by-step explanation:
and I will answer it and the comments
it's so easy though I can answer that
but.. mark this as brainliest first
Answer:
3
Step-by-step explanation:
Mean the the total of all values, divided by the number of values
4b-3 .. you use distributive property and multiply 3*b-1 then you have 7b-3b-3 then you combine like terms and subtract 3b from 7b and get 4b-3