Which equation applies the associative property?

(−94⋅32)⋅(63⋅57)=−94⋅(32⋅63)⋅57

−65−(53−14)=(−65−53)−14

89⋅74⋅(−58)=89⋅(−58)⋅74

(−12⋅47)+(−12⋅23)=−12⋅(47+23)

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

How do you write 600 as a product of its prime factors (index! )

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required