P(2, -1, 3), Q(8, 5, -6) and R(4, 1, 0) are the vertices of a
triangle. Show that PQ = 3PR.​

i think that you should ask google for the answer to that problem because if we don't know it google does

whose power in the senate is equal to the power of the speaker of the house?

step-by-step explanation:

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)