Trigonometric ratios (picture attached) !

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15