7. What are the missing terms in 8x? - 27- (2x - (4x+62- a. 9 and 3 b. 1 and 27 c. 3 and 9 d. 27 and

Find an equation of the line perpendicular to the graph.

Need on this one asap im almost done with this subject

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min