The ratio of boys to girls at the beach cleanup was 7: 8. if there were 42 boys, how many girls were there?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years