Question

HELP!! im using the last of my points for this, im really bad at math and im stressed trying to do this.

Answer 1

D. 19.6in have a good rest of yo life :)

Answer 2

D. 19.6in

Explanation:

ΔAFC is similar o ΔA'FC'. Therefore, their sides are in ration to one another:

FA/F'A'=AC/A'C'

9/(9+12)=8.4/A'C'

9/21=8.4/A'C'

3/7=8.4/A'C'

A'C'=8.4/(3/7)=19.6