Write the coordinates of the vertices after a rotation of 180 degrees counterclockwise around the origin.

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.