Areader wrote to a column in a magazine, "a dozen glazed doughnuts are riding on the answer to this question: are the odds of winning in a lottery drawing higher when picking 5 numbers out of 48 or when picking 4 numbers out of 51? " calculate each probability to answer the question. the probability of winning the lottery when picking 5 numbers out of 48 is nothing.

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

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?