Answer:
16/45
Step-by-step explanation:
4/9 x 4/5=16/45 you just multiply straight across
f(4)=9*4-2 =34 & g(4)= -2*4 =-8 then,
f(4)- g(4) = 34+8= 42
52.5 mi(8 km/5mi) = 84 km
this is the answer
