How long will it take pablo to bike 56 miles if he is biking at a speed of 8 mph? a. 7 hours b. 448 hours c. 12 hours d. 2 hours (20 points)

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

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle