Please help... What is an equation in terms of x and y that can be used to model the proportional relationship?

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park. then she walked the same distance home. how many miles did she walk in all?

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Solve the equation. then check your solution 8=1.88+a