Find an equation of the line which passes through p(3,2) and through the point of intersection of y=-1/4x+1/2 and x+3/2y =-1/2

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?