1/2 (y+4)=(x-7)^2 how to find the vertex?

What is 6/10 rounded to the nearest half

Caitlin had 402. in her bank account.she withdrew $15.each week to pay for swimming lesson. she now has $237.

Which additional information, if true, would to prove that δlmp ≅ δnmp by hl? check all that apply.