Distances in space are measured in light-years. the distance from earth to a star is 4.1 × 1013 kilometers. what is the distance, in light-years, from earth to the star (1 light-year = 9.46 × 1012 kilometers)?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Nine more than four times a number is the same as one less than twice the number. find the number?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.