200.
Twenty groups of ten = 20x10
20x10 = 200
The answer is B
Solution:
Find perimeter (L+B+L+B)
600+300+600+300= 1,800
1,800/3= 600
600x500= 300,000
Answer:

Step-by-step explanation:
Remember the identities:

Ginven the expression:

You need to substitute
and
into it:
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Now, you need to simplify.
Remember that:

And:
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Then, you get:

Answer:
I cant see the sactter plot for the 1st question so i cant answer but the 2nd one is c
Step-by-step explanation: