Answer:
Four times his sister's age would be 4b. his age is two years less, so we need to subtract 2.
put together, this is 4b - 2.
Answer:
13 = 13
20 = 2^2 • 5
9 = 32
Prime Factor Number 13 Number 20 Number 9 L.C.M
2 0 2 0 2
3 0 0 2 2
5 0 1 0 1
13 1 0 0 1
Answer:

Step-by-step explanation:

A’B’C’D’ is a reflection.
It is a reflection because it’s mirrored across the y-axis, like looking at the side of your face in the mirror. A translation is the same thing and moving it from one set of coords to another, without turning it. A rotation would be turning it, which A’B’C’D’ is neither of.