Chef tom works in a very busy restaurant. He cooks for 100's of people each night. Why chef tom would use a copper pot instead of an aluminum pot? (copper had a specfic heat of 0. 385 j/goc, and aluminum has a specific heat of 0. 9 j/goc. ).

2(4p+1)/5< = (3+12p)/4 its less than or equal solve it for me an with explanation plz

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?