What is 12A =-19 plz help

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

Which shows the pre image of triangle xyz

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes