Find the total surface area

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

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers