Answer:120cm
Step-by-step explanation:

10cm x 12cm=120cm
Answer:
.
Step-by-step explanation:
Answer: 36
Step-by-step explanation:
Answer:
y = -2+
and y = -2 -
combined, or 
Step-by-step explanation:

substitute y for x and x for y

this is technically the inverse but I will simplify further
x = 
±
= y+2
y = -2±
y = -2+
and y = -2 -
combined
Answer:
x < 5.
Step-by-step explanation:
Creo que esto es correcto. :')