Answer:
82
Step-by-step explanation:
49 - 3 + 9 times 8 divided by 2
Answer:
3m^4
Step-by-step explanation:
the third one
Answer:
B. 
Step-by-step explanation:
<em><u>To find the perimeter, use the formula:</u></em>
P = a + b + c
P = 12 + 12 + 9.7
P = 33.7
<em><u>To find area, use the formula:</u></em>
A = 
A = 
A = 
A = 54
Mars year is 1.88 of your Earth years.
So if you are 13,
1.88 x 13=24.44, or 24 years old, I think.
The answer would be -18 and 3