The distribution of the amount of money spent on book purchases for a semester by college students has a mean of $280 and a standard deviation of $40. if the distribution is bell-shaped and symmetric, what proportion of students will spend between $200 and $280 this semester? round your answer to four decimal places.

What is the prime factorization of 23 ?me with this question

Find the distance between (0,5) & (-4,2)

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.