The answer is 36 m.
This is really simple. To solve, multiply the length and the width and BAM! There's your answer. So for this problem, multiply 12 by 3 and don't forget to include the unit measurement.
12 * 3 = 36
Area = 36 m
Hope this helps! :)
-2x-6 is the answer... do you need to work this out because I can write out the process
Step-by-step explanation:
3×2+2x+9=0
6+2x=0-9=-9
2x=-9-6=-15
x=-15:2
×=-7.5
Answer:
The expression is
.
Step-by-step explanation:
Given:
The number of stamps in Kelly's stamp collection is 10 less than half the number of stamps in Marks collection.
Let m represent the number of stamps in marks collection.
Now, to write an expression show the number of stamps in Kelly's collection.
Let
represent the number of stamps in Marks collection.
And the number of stamps collection of Kellys be 
Now, to write an expression:
According to question:


Therefore, the expression is
.