Help asp it is due today

Find an equation for the linear function which has slope -10 and x-intercept -7

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

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers