Beverly rolls two number cubes labeled 1 through 6. How many of the outcomes in the sample space have a sum of 9 or more?

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

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 and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.