His location would be 20 feet above the sea level because...
30+-10= 20 because adding a negative to a positive is basically like subtracting.
Can have a brainliest answer now please?
This can be rewritten to
20/100 or 0.2.
Hope this helps :)
67.2% is the answer.
How I got it:
15.96 / 23.75 = 0.672
It will cost 140 dollars to buy enough carpet for the living room.
<h3>What is a rectangle?</h3>
A rectangle is a four-sided figure in which opposite sides are equal and the diagonals are also of the same length.
Given Ed's living room is 4 yards wide and 7 yards long.
We know that the area of a triangle is the product of its length and width.
∴ The area of Ed's living room is (4×7) sq yards = 28 sq yards.
Also given to install yellow carpet that costs $5.00 per square yard,
∴ For 28 sq yards, the cost of installing a yellow carpet will be,
= (28×5) dollars.
= 140 dollars.
learn more about rectangles here :
brainly.com/question/15019502
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Step-by-step explanation:C
Combustion reaction defined as reaction of compound with the oxygen gas along with release of the large amount heat,.
When compound with nitrogen and metal atoms undergoes combustion reaction it gives nitrogen dioxide gas and solid metallic oxide of the metal as a products.
Compound X is nitrogen dioxide. 
Compound Y is metal oxide, 
