Determine whether the expression is a polynomial. If it is a polynomial, state the degree of the polynomial. 5x^2y^4 + x√3

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

How to do this , and can some one explain

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3