What does “watcha up to” mean?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

The quadratic function h(t)=-16.1t^2+150 choose the graph representation