Since it says the sum of any number not one in specific then the value will be x, plus the sum of 7,
Answer:

Step-by-step explanation:
This is an arithmetic sequence:

where d is the common difference and n is the index of any given term.
For the given sequence, the common difference is -1:

Knowing both the common difference and the first term, you can write the equation for this sequence:

Then you can use that equation to find the 75th term:

0.065 0.560 0.605 0.650
hope this helps
Answer:
A=4
B=-2
Step-by-step explanation:
the gradient to B is a negative coz the line is sloping downwards