Please Help! The picture below shows the position of Earth and two stars.

Star 1 is 34 light years from Earth and Star 2 is 52 light years from Earth. If Star 2 explodes as a supernova, in how many years would the explosion be seen from a planet orbiting Star 1?

A. 18

B.34

C.52

D.70

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of