Answer:
Step-by-step explanation:
<h2>first you add 60 plus 40 equals 100 then add 80 plus 50 equals 130.add 130 + 100 =230 then add 90 which is 320 next add 9 the you get 329</h2>
Answer:
R ≈ 8.31
Step-by-step explanation:
Filling in the given values ...
... pV = nRT
... 2·4.155 = 1·R·1
... 8.31 = R
Answer:

Step-by-step explanation:
1) Flip the second fraction and change the operation to multiplication:

2) Cross cancel factors:

3) Multiply:

4) Simplify:

The question doesn't seem to be written correctly, I'm not able to make much sense of it.
The answer is SAS.
The left side is equivalent to the right side because of the indicating dash. They also share the same angles where the curve marks are. And then lastly they share the same line (the diagonal on the inside) in the shape. Thus making it side angle side