Mrs lopez types at a constant rate. The constant of proportionally for the relationship between the number of words she types, w, and the numver of minutes she types, m, is 38.write an equation to show this relationship

Find the value of x for which line a is parallel to line b

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

What is the interquartile range (iqr) of the data set represented by this box plot?