Is questions 1,4,5,6 correct? if not how do i do them? and how do i do question 2?

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

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

What is the inverse of the function f(x) = 2x + 1?