1: the tip is 20% on a $42 meal 2: The price paid for an $120 bookshelf after an 20% discount applied

3: the 6% state income tax on a $40,000 salary

4: The total cost of an $82 meal with as 20% tip

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?