The table shows the number of miles michael ran each day over the past four days. hi many more miles did he run on day 3 then day 2? determine if there is extra or missing information.

day / miles
1/. 5
2/. 2
3/. 7
4/. 3

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

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?