Yes, if 2 circles have the diameter of 5 then there circumference will be 15.7, assuming pi is 3.14
A-4 that is the correct answer I think, if not try 5
5/12=x/18
x=7.5
The height of new triangle is 7.5cm
The width of the confidence interval is twice the margin of error. The lower bound of the confidence interval is the observed score minus the margin of error;
I’m sorry but I’ll come back with an answer really soon
