You are buying flowers to hand out at a school dance. roses cost $30 for a dozen but cost more if bought individually, with the money you have, you can buy 7 dozen and 4 single roses or 64 single roses. how much is one rose? how much money do you have?

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg