Distance Formula d = 1(x, - x) + (yz – y.)
Find the distance between the points (-9,-2) and (-1,4). Round to the nearest tenth if necessary.

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.