Find the x-intercepts of the parabola with vertex (-7,45) and y-intercept (0,-200). write your answer in this form: (x1,y1), (x2,v if necessary, round to the nearest hundredth

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

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Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?