The equation that models this relationship is y=0.25x. How large a roast can Darrell cook in 2 hours using his recipe? Write your answer as a whole number or decimal.

Care repairs are less than or equal to $500

(: the two box-and- whisker plots below show the scores on a math exam for two classes. what 2 things do the interquartile range tell you about the two classes?

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.