How much of a radioactive kind of lead will be left after 45 months if the half-life is 9 months and you start with 2080 grams of lead please show your work

Abuyer pays a deposit to the seller in advance before completing the transaction. which term best defines this? a. down payment b. earnest money c. mortgage application fee

Find the area of the regular hexagon if a side is 20 cm.

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%