Whats the slope of a perpendicular line that passes through the lines (29,24) and (3,4)

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

How do you solving the solution of each system using elimination?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.