What is half of 15? answer someone!

Graph the equation by plotting point x=2

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?