Add or subtract. write the answer is simplest form.
1: 2/7+1/4
2: 5/9+3/8
3: 3 5/6-2 7/15

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.