2. The weights (in pounds) of three adult males are 160, 215, and 195. The standard error of the mean of

these three weights is

(a) 190. (b) 27.84. (c) 22.73. (d) 16.07. (e) 13.13.

43lbs of tomatos cost $387. how much would 41lbs cost

For what values of x is x2 + 2x = 24 true?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?