A city charges a 25% yearly interest rate for late tax payments. The equation represents the total amount of tax and interest on an original tax amount of $1,600 after late weeks. What is the value of b rounded to four decimal places?

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2