Answer:
is good by his guan yes is help to me
3(2c+d)−d
Distribute:
=(3)(2c)+(3)(d)+−d
=6c+3d+−d
Combine Like Terms:
=(6c)+(3d+−d)
=6c+2d
Step-by-step explanation:
13
It is a square so the length of 1 side = = 13
Answer: 6
D is incorrect this is your answer