I need help with this new one plz and thank you

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h

If a=0.333333 and b=0.55555, what is the value of a+b

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )