Answer:
1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120,
Step-by-step explanation:
the third one
9 to the power of 4 is 9 multiplied by it's self 4 times
$22,500
1/2 of $15000 is $7500, $7500+$15000 is $22,500