Slope formula: 
Slope of line one: 
Slope of line two: 
Slope of line three: 
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let x feet be the highest of the boxes , and y be the number of boxes.
the answer is coming as 15 feet for 20 boxes and 12 boxes to reach the ceiling of 9 feet high
Volume=legnthn times width times height
a cubes legnth=width=height
therefor
volume=legnth^3
volume is greather than 125
125<legnth^3
cube root both sides
5<legnth
th elegnth is anything greather than 5
an example of some numbers are
6,7,30,3240958049238043284023848239048023843,
Answer:
A: 10.9
Step-by-step explanation: -2.3 is 2.3 away from zero then add the length from zero to the postive number which in this case is 8.6, therefore the equation is 2.3 + 8.6 = 10.9
