How do you know if an event is likely to happen or unlikely to happen?

What is the reflection image of (5,-3) across the line y = -x?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.