Please help i’ll give brainliest!!

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?