Rewrite the function f(x)=2(x-1)^2-1 in the form f(x)=ax^2+bx+c

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.