Answer:
x=3, y=15. (3, 15).
Step-by-step explanation:
x+y=18
y=3x+6
----------
x+(3x+6)=18
x+3x+6=18
4x+6=18
4x=18-6
4x=12
x=12/4
x=3
3+y=18
y=18-3
y=15
Answer:
72°
Step-by-step explanation:
4+2+6+8=20
360÷20=18
AC=4x18=72
Answer:
ang hirap pag aralan mo po muna
An octagon has eight sides
L = 2.2 cm
And the formula of length for a square is L^2, then the answer is 2.2^2
Or 4.84