1kg=1,000g
300/1,000=3/10
3/10=0.3
2+0.3=2.3
2 3/10kg in fractions.
2.3kg in decimals.
Since you didn’t specify that it needed to be y as a function of x, all of the above equalities can be rewritten as functions. However, in case that you meant to imply that, A and B are both not valid for y as a simple function of x.
A a dilation and reflection
dilation will make bigger or smaller therefore it cannot be congruent