Answer:
9
Step-by-step explanation:
There would be 9 because 7 goes into 66 9 times
ANSWER

EXPLANATION
We can use any two points to determine the slope.
The line passes through;
(-3,1) and (-5,5).
The slope is given by

This implies that;


We can now find the equation using the formula;


Expand:


There are 4 significant figures as the zero is placed between significant numbers.