Perimeter is all four sides added together, therefore....
38+38= 76
8dm= 80cm
80cm*2=160 cm
76+160= 236<span />
Answer:
the third one
Step-by-step explanation:
Elimination because u could multiply the second equation by -3 which would cancel the x and allow you to solve for y and then everntually x but yea elimination is the best method
I don’t think anyone knows this one not even James
Answer:
no expression is equal to -20