Its 89 because 9 times 2 is 81 and 10 times 2 is 100 there nothing to multiple 2 by something to get 89
Answer:
y=2x
Step-by-step explanation:
x independent?
y dependent
positive change? so srry
12x + 24y < = 240
** because 2 hrs and 120 minutes = 240 minutes