Answer: wow thank you
Step-by-step explanation:
Sample A. x=3
Divide both sides by 2
2. N=-70
Add 7 on both sides
3. X=-40
Multiply -4 on both sides
4. D. 20
Answer:
2nd choice 
is correct.
Step-by-step explanation:
We need to find about which polynomial is represented by the algebra tiles.
so we just need to collect all terms written on tiles then combine them.
Notice that - means -1 and + means +1
Row wise terms are:
Now combine like terms:
Hence 2nd choice is correct.
6
AC is a diagonal and so is BD.
E is the center/mispoint
BE is half of BD which is 12 since it's equal to AC
12/2... 6
Break the shape into two separate rectangles:
One being the top portion which would be 3 x 10.2 = 30.6 square inches.
The second being the bottom section which would be 6.2 x 8 = 49.6 square inches
Now add the two together for the total:
30.6 + 49.6 = 80.2 square inches.
