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the two box-and-whisker plots below show the times in seconds for two teams in a 100 m dash. what do the interquartile ranges tell you about the two teams?
a. team a has more consistent times
b. team b has more consistent times
c. overall team a is faster than team b
d. overall team b is faster than team a

How far is x from 5 on a number line?

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

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?