Answer is 8/10 because the original fraction was 4/5 and they had 10 pizzas and that would be the denominator so you have to get the denominator to be 10 so you would multiply 4/5×2 and you would get 8/10 and since the denominator is 10 that is your answer think of it like this... part at the top whole at the bottom hope this helps
Perimeter is adding all sides so the answer will be 12(pi) + 46, hope this helps!!
X<-6 with the line under it is the answer, you would flip the sign when u divide
I can’t answer u I need to see the graph