The correlation of the scatter plot is negative.
3 increased by the product of 4 and 12 is 3 + (4 * 12)
5. 2,0,7,7,7
6. 2.1
I do not know about number seven. Sorry.
Hope this helps!
Answer:
The cost of desktop before finance charge was $1750.
The cost of laptop before finance charge was $1900.
Step-by-step explanation:
Let us assume this is a simple interest scenario.
Let D be the cost of desktop
Let L be the cost of laptop
Given- the laptop cost $150 more than the desktop.
So,
The total finance charge for 1 year is given by :

Substituting the value of L here, we get;

=>
=> 
=> 
=> 
D = $1750
As
So, 
L = $1900
We can check this :

=> 
=> 
So, the cost of desktop before finance charge was $1750.
The cost of laptop before finance charge was $1900.
70+70= 140 points gained minus 145 points lost or 140 - 145= -5 points.