Answer:
Answer is 216m^2
Step-by-step explanation:
You would do the formula 2(6*6) + 2(6*6) + 2(6*6)
To get a total of 216m squared!
Hopes this helps!
45 handshakes would take place! i've attached how i figured this out (pardon the scribbles)
There are 20 students in the class.
Answer:
12 years old.
Step-by-step explanation:
1) 2x+x=18
2) Now solve 2x+x=18
Add alike terms
3x=18
Now divide both sides by 3 (3x/3 and 18/3)
x=6
So Hannah is 6 years old. Her sister must be 12.
-3(2x-4)+8x-8
-6x+12+8x-8
2x+4
x=2
