10.2 puzzle time did you hear about the... page 328

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?