Answer each question and explain your reasoning without measuring segments or angles.
Name a segment whose length is the same as segment AO.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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 are two numbers that have a sum of 15?