Once again Looking for the sum of all the answers, also need to round the neatest tenth. I got 11 but somehow it was wrong. Pls help quickly

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Whats the name of the vertical axis

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