Draw the following traingle after a 90 clockwise rotation about the origin

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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

Are the corresponding angles congruent? explain why or why not.