Ummmm I don’t really know buttt you could get this app called calculated soup and it will help you
(2x+1) (x+7)
I solved it by using the FOIL method, but you get the same answer either way
The equivalent expression to 36 + 81 is 9(4 + 9).
So to figure out 10% of this would be to remove the 0. that would be six. since 30÷10 is 3, we have to do 6×3. that would be 18, so 30% of 60 is 18
80% or 4/5
Since there are 2 blacks shirts and 10 in total the probability is of not poking a black shirt is 8/10 which when reduced is 4/5
