PLEASE HELP I DONT UNDERSTAND ILL GIVE MORE IF ITS RIGHT

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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