PLZZ HELP WILL GIVE BRAINLIEST TO THE ONE THATS FIRST AND HAS THE CORRECT ANSWER

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.