Write an exponential decay function to model the situation. Then find the value of the function after the given amount of time.
2.
The population of a school is 800 and is decreasing at a rate of
2% per year; 4 years
y=

Find the solution of system of equation y= x-4 y=4x+2

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% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x