I need help with question 1 . Thanks

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.