Which of the following is the correct expanded form for the series below? 4Σn=1(3n+7)

Which statements are true? see picture

Frank has $66.50 in his account on sunday. over the next week, he makes the following changes to his balance via deposits and purchases: day debit ($) credit ($) monday 60.33 80.75 tuesday 54.45 wednesday 49.20 15.00 thursday 35.40 friday 16.85 75.00 saturday 80.56 on what day does frank first get charged an overdraft fee? a. wednesday b. thursday c. friday d. saturday select the best answer from the choices provided a b c d

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?