8 and 9
9^3-8^3
729-512
=169
B. because that is the only equation in y=mx+b form.
58 DAYS, WITH EACH DAY BEING 24 HOURS, EQUALS HOW MANY HOURS TOTAL RIGHT
58/1 * 24/1
THE DAYS CANCEL EACH OTHERS OUT, LEAVING 1,392 HOURS
30/1 * 1/60
THE MINUTES CANCEL EACH OTHERS OUT AND 30/60 IS SIMPLIFIED TO HALF AN HOUR
FINALLY YOU ADD 1,392+15+0.5 TO GET A FINAL RESULTS OF 1,407.5 HOURS
He will have 140 mp3s.
Plug 6 into m, which stands for the number of months, in the equation:
10(6)+80 = 60 + 80 = 140