Need with these two questions. i do not have a special calculator.

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

What is the range? can’t seem to find it out

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?