Hi!
I can help you with joy!
Evaluate:
when 
First, add x's:
Now, plug in the value of x (3)
Multiply:`
(Answer)
Hope it helps!
Ask me if you have any doubts.
<em>Answered by</em>
<em>~</em>Silent~
Kate's model is correct because 10 times the value of 4 rods, 10(4(10)), is 400. Mel's model represents 4(1)=4, which is incorrect. Kate's model represents 4*100=400, which is correct.
Hope I answered your question!
Don't know if this helps but the small thing will fit in the big shape about 6 times
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Answer:
For the First one, 2 + 9 = 11. And 11 - 3 + (-19) = -11
Step-by-step explanation:
get a common denominator which is 24
3 7/8 = 3 21/24
6 /4 = 6 6 /24
3 21/24 - 6 6 /24
big number minus small number take sign of larger
6 6/24
- 3 21/24
-------------
5 30/24
3 21/24
--------------
2 9/24
2 3/8
the sign of the larger is negative
-2 3/8
