A. if it costs $200,000 to build a sidewalk around a rectangular field whose dimensions are 200 yd by 800 yd, how much will it cost to build a sidewalk around a rectangular field whose dimensions are 300 yd by 900 yd? hint: use the ratio of the perimeters.

need points to ask question

step-by-step explanation:

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: