Brian irons 5 shirts in 15 1/4 minutes at a constant rate at this rate how long does it take him to iron 1 shirt

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

With finding limits of multi variable !

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.