How do i find y and the measure of s? please explain

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

The system of equations graphed below has how many solutions? y = 2x + 2

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?