The heights (in inches) of 8 students are 50,53,52,68,54,49,55, and 51. what is the mean height if the outlier is removed from the data ?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?