Anybody wanna help me get all my math problems right it's ok if you don't I'm in 9th grade algebra

Is it true or false i’m trying to pass this test so i can leave school

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

What is 1/3x5 on anuber line what does it look like on a number line