the question is here
brainly.com/question/11878106
Step-by-step explanation:
we have M is durectly porpotional to r^2
so M=(k)r^2
and when r=2, m=14
so 14=(k)(2)^2
k=14/4 =7/2
so when r=12
m= (7/2)(12)^2 =(7/2)(144) = 504
$49.01 would be her change
Answer:
0.318
