1)2x^2-12x+p=q(x-r)^2+10 for all values of x, find the cosntants p,q,r

2)the length of a childrens retangular playgroud is 10m more then the width. The width is x meteres

the perimeter is greater than 64m. Write a linear inequality in x

3)show that (x-13)(x+23) < 0

and also what would i need to do to find the equation of a line that passes through the midpoint AB and is perpendicular to AB