I assume by starting value, you mean y-intercept. The y-intercept is 15
To find this, we need to use slope intercept form and the given information to find it.
y = mx + b ----> plug in the known values
9 = -3/4(8) + b
9 = -6 + b
15 = b
Therefore, the starting value is 15.
The question only supplied us with the mass of the new baby which is:

This mass is too bizzarre & unrealistic for
Chess board? , the board if there is like a line with points that has points on the same line.
1.4286 :D :D :D :D hope this helps
Answer:
64(64-6) = 3712
Step-by-step explanation:
64(64 -6)
64-6 = 58
64(58) = 3712