When driving barbara drives an average of 48 miles per hour if it takes 30 minutes how many miles does he drive

If a =6, what is the value of 2a(3b + 5c)?

Which statements about these triangles is true

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