Exam help !! For what value of A is the graph of Ax+6y = 12 perpendicular to the graph of 2x−3y = 4?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.