See the attachment below.
Hope it helps!
Hey there! :)
Your answer is: Between 11 and 12
11² = 11 × 11 = 121
12² = 12 × 12 = 144
129 is between 121 and 144
Hope this helps :)
M=230
m-80=150
add 80 to each sides
Answer:
14 months
Step-by-step explanation:
14x3=42
42+90= 132