What is the slope of the line that passes through the points below

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

Mr. piper is driving peter, roddy, and scott home from school. all of them want to ride in the front seat. how can he make a fair decision about who rides in the front seat?

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2