Answer:
9 and 15
Step-by-step explanation:
lowest common multiple 45
9, 18, 27, 36, 45, 54, 63, 72, 81, 90
15, 30, 45
HCF
3 X 3 = 9
3 X 5 = 15
3 is hcf
Answer:They spend $39.89
Vampire:4•3.99=15.96
Zombie:2•1.04=2.08
3•0.79=2.37,2•3.49=6.98
Mummy:5•2.50=12.50
The Werewolf doesn’t buy anything
15.96+2.08+2.37+6.98+12.50=$39.89
y= -x-8
use desmos makes it easy
2/3
