Marianne buys 16 bags of potting soil that comes in 5/8 pound bags. a) how many pounds of potting soil does marianne buy? b) if marianne's father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9