Concentric circles are circles with the same center but different radii. Which equations represent concentric circles along with the circle shown in the graph? Check all that apply. X2 y2 = 25 (x â€"" 8)² (y â€"" 9)² = 3 (x â€"" 8)² (y â€"" 9)² = 14 (x â€"" 8)² (y 9)² = 3 (x 8)² (y 9)² = 25 (x 9)² (y 8)² = 3.

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

207/8 is the right

47 - 90 = 43

43 - 180 = x

x = 137

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answer: d.) the total number of protons and neutrons is 15

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