An average mosquito found in the environment gives of 12.6 disintigrations per minute per gram of carbon. a preserved mosquito found inside of an amber fossil found in the new england states gives off 1.575 disintigrations per minute per gram of carbon. with a half life of 5,730 years for carbon 14 how old is the mosquito roughly? answers are in years, you do not need to include the word years though in the answer

Achel bought 12 rolls of packing tape and paid a total of $33.60. kevin also bought rolls of packing tape. the table shows the total amount he is paid for different numbers of packing tape. number of rolls of packing tape total amount paid 2 $6.40 5 $16.00 8 $25.60 how do the unit rates compare? select from the drop-down menus to correctly complete the statement. rachel's unit rate is than kevin's because is greater than .

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

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