Answer:
24 hours
Step-by-step explanation:
The computation of the number of hours taken by Bobby to build the robot by himself is shown below:
Given that
Bobby could take 12 hours
Together they could build in 8 hours
So based on the above information
the number of hours taken by Bobby to build the robot by himself is
Let us assume the above line be x
So,

x = 24 hours
Answer:
y = 2x - 2
Step-by-step explanation:
2 x + y = 2
2x - 2 = y
Answer:
z = 1 + 9y³
Step-by-step explanation:
It looks like you have ...

Okay, So To Find The Mean, We Need To Look At The Values.
-588,-838,-691,-818,-846,-725,-605,-732,<span>-750
</span>So, We Add Them, Then Divide.
-588+-838+-691+-818+-846+-725+-605+-732+-750
---------------------------------------------------------------------
9
This Is -732.555556.Rounded Is -733
Now, The Median. The Middle Value.
The Middle Value Is -846.
So, The Mean Is A, 113 Points Higher.