Sebastian has $3.75 worth of dimes and quarters. he has a total of 21 dimes and quarters altogether. determine the number of dimes and the number of quarters that sebastian has.

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

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?