Answer:
Positive 8
Step-by-step explanation:
Since they're both negative numbers and it went from -9 to -1, you had to have added a positive number to get a lesser negative number. To put it simply, if you were to subtract 8 from 9, you'd get 1.
700 minutes or 11.67 hours
35/4=8.75
8.75*80=700
$4.99
20-5.03=14.97
14.97/3=4.99
this the answery=x/3+2
you add them, but keep the sign