Subtract. Write your answer in simplest form. 3 1/8 - 7/12

2 13/24
2 1/24
3 11/24
3 13/24

3 1/8 is a mixed number not a fraction
7/12 is a fraction not a mixed number don't get them confused

What's the difference between: x≥0 and nonnegative integer. ?

Need on this one asap im almost done with this subject

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks