What is the area of this polygon?
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___ units squared

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

How to write 3 tenths and 5 tenths as a decimal

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?