After going beach combing, Jess' gatherings were 86% sea shells, 3% rocks, and some driftwood. What percent of Jess' gatherings were driftwood? Enter the number only.

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Does anyone know how to do geometryme with this problem

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?