Answer:
y-b/x = a
Step-by-step explanation:
y-b/x = a
3(a+b) and 3a+b: not equivalent
4(x+2y) and 8y+4x: equivalent
"Alia gets 4^2 fewer than Kelly, who gets 3^3."
So it's about a subtraction.

Hope this helps.
r3t40
SeconAnswer:
Step-by-step explanation:
First question answer is 390.66 m
1 mile_1609.34 m
1000m=1km
2km=2x1000=2000m
2000km - 1609.34m=390.66m
Se ond question 6x10000=60000cm2