The earth is approximately 2 × 107 km from venus at its closest approach. the earth is also about 4 × 1013 km from proxima centauri, a star. which of the following is true?

If m 17 27 90 63 ** picture is attached

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?