Can someone please help me?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?