the radioactive element carbon-14 has a half life of 5750 years. a scientist determined that the bones from a mastodon had lost 83.2% of their carbon-14. How old were the bones at the time they were discovered?

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?