Which expression can be used to determine the reference angle, r, if 0=7pi/12

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Write a story that matches with the expression 42x-5 pls hurry

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