Line segment XY was used to draw a copy of ΔABC. XY is 8.5 centimeters long. What is the length of AA′ + BB′ + CC′?

Math it's appreciated. (picture provided)

Triangle abc was translated 2 untits to the right and 3 units down. write the algebraic rule that describes the translation that was applied to triangle abc to create triangle a'b'c'.

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date