Which expression represents the perimeter of the triangle? 9y + 3 9y + 7 6y – 2 5y + 5

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Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

What is the solution to the equation below? 3/x-2+6=square root x-2 +8