Let the positive odd numbers be x,x+2,x+4.
According to the question,
5(3x+30)=72+x^2+4x
x^2-13x+42=0
(x-6) and (x-7)=0
x=6 or x=7
Answer:The slope of the line is both ppsitive and linear.
Should be 7.5% I have to add more words to this sentence to post it
The answer is,

Also equivalent to about, 0.185188.