A comet travels at an average speed of 278,000 km/h. It takes 7 days for the comet to reach Earth. Find the distance, in km, the comet travelled.

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Fast! find the length of cu. the triangles are similar. show your work.