What is the vertex of the function y=(x-3)^2+5

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?