Exponential Decay because it’s decaying by .5 which is smaller than 1
Egudbschsien eiodnebevieneb
It’s 43 cm because you add all the sides
Answer:
x = 1
y = -3
Step-by-step explanation:
if y = x - 4
then reorganise the first equation
4 (x - 4) = 9x -21
4x - 16 = 9x - 21
5 = 5x
x = 1
