Please help me, my brain isn't functioning correctly

Complete the steps to find 4.830 ÷ 5

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

The unpaid balance on a mastercard charge was $1,056.23. during the month, payments of $300 and $250 were made and charges of $425 and $274.16 were added. if the finance charge is 1.2% per month on the unpaid balance, find the new balance at the end of the month. $1,205.39 $1,218.06 $918.06 $1,768.06