You go to the post office to mail 6 letters. the postage for each letter is 39 cent. how much money will the post office charge you to mail the letters?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

8.74 rounded to the nearest whole number