PLZ HELP PLZZ SOMEBODY!!!
Solve each system of equations
-3x + 3y = 3
-5x + y = 13

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point