Anew car that sells for $19,000 depreciates (decreased in value) 21% each year. what is the decay factor, b ?
a)21
b)o.21
c)0.79
d)79

What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20