Beth took out a $20,000 loan for college. she is borrowing money from two banks. bank a charges an interest rate of 8.5%, and bank b charges an interest rate of 10.5%. after one year, beth owes $1,860 in interest. how much money did she borrow from bank a? $10,000 $12,000 $14,000 $16,000 , i need it a lot! i will mark you brainliest!

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

This is about circle theorems. someone asap : (

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?