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find the value of a in the parallelogram,

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9

What is 4 square root 7^3 in exponential form?

Sarah is collecting recyclables for a science project. on the first day she collected 35 recyclable objects. on the second day she had a total of 52 recyclables. on the third day she had a total of 69 recyclables. determine if the scenario describes an arithmetic or a geometric sequence. then, write the recursive formula for the sequence described.