When a polygon reflects across the y-axis, how do the coordinates of the points change? a) the sign of the x-coordinate changes. b) the sign of the y-coordinate changes. c) the sign of both the x and y coordinates change. d) the x and y coordinates are switched and the signs of both change.

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.