This is Geometry can someone help pls

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 area of square garden is 300m squared. how long is the diagonal?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !