Mhanifa please help this is my last one !

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

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place