Ima give brainlist so please help me and pleaseee answer everything like sayd pretty please

What is the approximate circumference of the circle shown below?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%