Answer:

Step-by-step explanation:
90 cm in metres is = 0.09 m
Writing it as a fraction of 2.4 m
=> 
<u><em>In simplest form</em></u>
=> 
Answer:
12
Step-by-step explanation:
Well, 12/12=1, which I guess is the smallest number we can get, and 12 is divisible by 2 too.
Answer:
Perimeter.
Step-by-step explanation:
Lee measures around the entire outside of the bulletin board and finds the distance is 32 units.
She is measuring the border of her bulletin board.
The sum of outer covering of any object is called its perimeter. Here, 32 unit shows the perimeter of the bulletin board.
Answer:
1 7/12
Step-by-step explanation:
5/6+3/4=10/12+9/12 = 19/12 or 1 7/12
<em>54</em>
- Step-by-step explanation:
<em>- 2n(5 + n - 8 - 3n) =</em>
<em>replace n = 3</em>
<em>- 2(3)(5 + 3 - 8 - 3×3)</em>
<em>= - 6(8 - 8 - 9)</em>
<em>= - 6(0 - 9)</em>
<em>= - 6 × - 9</em>
<em>= 54</em>
<em>(-)(-) = +</em>