Do all magnetic fields have the same shape?

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?