Answer: the answer is $18
Step-by-step explanation:
Area of square =
where,
is the side length of the square.


s must be positive since it is a side length, so the negative root of 81 is rejected.
Perimeter=
Perimeter=
<u>Answer:</u>
No, incorrect. It should be -13. 56 unit
<u>Step-by-step explanation:.</u>
I am overcharged 4.52 unit on my cell phone 3 months in a row.
So, net amount I am overcharged =
unit
= 13.56 unit
So, in the next bill there should be an adjustment of - 13.56 unit. But, here it is given - 13.28 unit only. So, this is incorrect.
Answer:
-2p² - 9pq + 6q²
Step-by-step explanation:
Add the like terms
p² + - 3p² = -2p²
-7pq + - 2pq = -9pq
-q² + 7q² = 6q²
Answer:
theoretical is first then experimental
Step-by-step explanation: