Please help i’m not sure what to do and how to do a certain step .

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

Measure of angles 31 (x+4) (3x+9) me

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"