√8
for the equations of circles: x²+y²= (radius)²
David's : y = 12,350 - (240x)
Amanda's : y = 12,350 + (240x)
David's equation is correct, because their spending will be multiplied by the number of months and then subtracted from their savings
I don’t know why the word “million” is there, but the incremental cost per unit of the secon hundred units is $30 per unit.
Answer:
4/3
Step-by-step explanation:
