Plz help me I am timed plz don’t guess DeArah made 88, 90, and 92 on her math tests this grading
period. What is the mean of her math test scores?

OA) 89
OB) 90
OC) 91
OD) 92

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

If value of cos330° is √3/2 then find tan165°.

How can you find the mean absolute deviation (mad) for this set of data?