Ethan has a checking account. his opening balance on 10/10 was $160. the bank charges $1.75 for each nonbank atm transaction, 25¢ for each check he writes, and 35¢ for each debit card transaction. ethan made the following transactions:
wrote $55 check for guitar lesson on 10/12
deposited $40 paycheck on 10/15
made $27 debit card purchase on 10/18
transferred $15 from savings account on 10/21
what is ethan’s balance after the transaction on 10/21?

Write the product as a trinomial. (x + 2)(x + 3) x2 + 5x + 6 x2 + 6x + 6 x2 + 6x + 5 x2 + 5

What is the total surface area of this square pyramid?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)