What is the GCF of 12x and 28x^3

Which graph represents an even function?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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