Answer:
-x -7y=-15
y=3x-1
-x-7(3x-1)=-15
-x-21x+7=-15
-22x+7=-15
-22x=-15-7
-22x=-22
x=-22/-22
x=1
y=3(1)-1
y=3-1
y=2
(1, 2)
y= 250( 1-0.21)^x
Step-by-step explanation:
This represents exponential decay
41.0704225352 or 284x/9 + 0
ohh i don't know the answer
2 yards
