Solve the simultaneous equations 5+2y=11 -5x+4y=13 pleas help

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

What are the domain and range of f(x)= -log5(x+2)

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.