Checking my answer Find the length of the missing side and leave the answer in simplest radical form.

i think its

3√5 ft

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

What is the simplified form of square root of 400 to the 100th power ?