What is (2x9)- (15 divided by 3)

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Select all of the following expressions that are equal to 2.5.

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.