The data set below represents the scores on a recent quiz. Find the percentile that corresponds to a score of 86. in the following data: 67 68 70 72 74 75 78 82 86 90 90 93 96 98 100

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Simplify the expression. -2/5(10+15m-20n)

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m