I am stressed and cant think straight and need help

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

A+b= 17, ab=70, find the value of |a-b|