Which ones are incorrect and what did they forget

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need