A cafeteria packed 1,250 lunches for the school picnic. Each class had 25 students. How many classes received lunches?
I did not see my answer and I have no idea what it is

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

What is negative 3/9 times negative 2/8 ?