In a class, the number of students has been increased from 18 to 27. What is the percent increase? %

36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)

The graph of f(x), shown below, has the same shape as the graph of g(x)=x^2,but is shifted up 2 unit.what is the new equation?

Answer all 3 questions! you so much! : )