Solve the equation. (Find all solutions of the equation in the interval [0, 2). Enter your answers as a comma-separated list.) (9 sin(2x) + 9 cos(2x))^2 = 81

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

Answer! if you don’t mind, can you explain

Pls the last one and it has to be like number 6