Which represents a reduction? a (x, y) —> (0.9x, 0.9y) b (x, y) —> (1.4x, 1.4y) c (x, y) —> (0.7x, 0.3y) d (x, y) —> (2.5x, 2.5y) 11 which set of lengths are not the side lengths of a right triangle? a 28, 45, 53 b 13, 84, 85 c 36, 77, 85 d 16, 61, 65

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?