Use the formula SA= LA +2B to findthe surface area

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

Find the ratios of the corresponding sides

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish