First you express it as a fraction so that would be 2475/1000 which can be simplified to 99/40
The answer is A because it is
For b it's 39 because you multiply 5 and 7 giving you 35 then add 4 Wich equals 39. I might be incorrect. check it out.
Answer:
Find the distance between (2,3) (4, -7)
= 6
Find the distance between (-9,-4) (-3,6)
= -10
X=1
F(x) = 2
I am pretty sure I hope this helps