Two ratios that are equvalent to 27:9

Geometry ? i don't know how to do any of these.

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5

In a quadratic function of the form ax^2+bx+c, which of the following is not true? a. the y-intercept is c. b. if a is positive, the parabola opens up. c. the vertex has an x-coordinate of -b/2a. d. the axis of symmetry is the line y=-b/2a.