Witch planet takes 84 earth year's to orbit the sun just once

Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?