Can someone help with this pleaee

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

Is a state government creates a new tax to fund schools a example of checks and balances