The slope of the graph would be y=-2x-1 so B.
You have the right answer but for the second part it's 65+10/5=x
18/15/12/9 = 0.0111111111111
Have a great evening. I hope this helped! :)
The number of small tiles are needed is 300 tiles.
<h3>Number of tiles needed</h3>
Using area of rectangular formula
Area of the room = length(l) × breadth (b)
Area of the room=300 cm×180 cm
Area of the room=54,000 cm²
Number of tiles needed = Area of rectangular region / Area of one tile
Number of tiles needed=54,000/180
Number of tiles needed=300 tiles
Therefore the number of small tiles are needed is 300 tiles.
Learn more about number of tiles needed here:brainly.com/question/2136390
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