Can someone help me with this?

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 suare root of 9x plus 7 plus the square rot of 2x equall to 7

What additional information could be used to prove abc =mqr using sas? check all that apply.